(*): W=Win, N=Nomination
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2014 | W | Favorite Artist - Adult Contemporary | - | - |
| 2014 | W | Favorite Female Artist - Pop/Rock | - | - |
| 2014 | W | Single of the Year | "Dark Horse" | Juicy J |
| 2014 | N | Favorite Album - Pop/Rock | "Prism" | - |
| 2014 | N | Artist of the Year | - | - |
| 2012 | W | Favorite Female Artist | - | - |
| 2012 | N | Artist of the Year | - | - |
| 2011 | N | Favorite Adult Contemporary Artist | - | - |
| 2011 | N | Favorite Pop/Rock Female Artist | - | - |
| 2011 | N | Artist of the Year | - | - |
| 2010 | N | Favorite Pop/Rock Album | "Teenage Dream" | - |
| 2010 | N | Favorite Pop/Rock Female Artist | - | - |
| 2010 | N | Artist of the Year | - | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2010 | N | Most Popular International Artist | - | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2020 | N | Crossover Artist of the Year | - | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2015 | N | Top Touring Artist | - | - |
| 2015 | N | Top Female Artist | - | - |
| 2015 | N | Top Artist | - | - |
| 2014 | W | Top Female Artist | - | - |
| 2014 | W | Top Digital Songs Artist | - | - |
| 2014 | N | Top Artist | - | - |
| 2014 | N | Top Hot 100 Artist | - | - |
| 2014 | N | Top Radio Songs Artist | - | - |
| 2014 | N | Top Streaming Artist | - | - |
| 2014 | N | Top Hot 100 Song | "Roar" | - |
| 2014 | N | Top Digital Song | "Roar" | - |
| 2014 | N | Top Radio Song | "Roar" | - |
| 2014 | N | Top Streaming Song (Video) | "Roar" | - |
| 2013 | N | Top Social Artist | - | - |
| 2012 | W | Spotlight Award | - | - |
| 2012 | N | Top Pop Song | "E.T." | Kanye West |
| 2012 | N | Top Digital Songs | "E.T." | Kanye West |
| 2012 | N | Top Hot 100 Song | "E.T." | Kanye West |
| 2012 | N | Top Pop Artist | - | - |
| 2012 | N | Top Artist | - | - |
| 2012 | N | Top Female Artist | - | - |
| 2012 | N | Top Hot 100 Artist | - | - |
| 2012 | N | Top Digital Songs Artist | - | - |
| 2012 | N | Top Radio Songs Artist | - | - |
| 2011 | W | Top Hot 100 Artist | - | - |
| 2011 | W | Top Digital Songs Artist | - | - |
| 2011 | N | Top Digital Song | "California Gurls" | Snoop Dogg |
| 2011 | N | Top Radio Songs Artist | - | - |
| 2011 | N | Top Female Artist | - | - |
| 2011 | N | Top Pop Artist | - | - |
| 2011 | N | Top Pop Song | "California Gurls" | Snoop Dogg |
| 2011 | N | Top Pop Song | "Fireworks" | - |
| 2011 | N | Top Pop Song | "Teenage Dream" | - |
| 2011 | N | Top Pop Album | "Teenage Dream" | - |
| 2011 | N | Top Hot 100 Song | "California Gurls" | Snoop Dogg |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2014 | N | International Female Solo Artist | - | - |
| 2011 | N | International Female Solo Artist | - | - |
| 2011 | N | International Album | "Teenage Dream" | - |
| 2009 | W | International Female Solo Artist | - | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2015 | N | CMT Performance of the Year | "Roar" from CMT Crossroads | Kacey Musgraves |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2009 | N | Single of the Year (Hit des Jahres prasentiert von Musicload) | "I Kissed a Girl" | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2020 | N | Most Empowering Girl Power Anthem of the Decade | "Roar" | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2015 | N | Best Pop Vocal Album | "Prism" | - |
| 2015 | N | Best Pop Duo/Group Performance | "Dark Horse" | Juicy J |
| 2014 | N | Best Pop Solo Performance | "Roar" | - |
| 2013 | N | Best Pop Solo Performance | "Wide Awake" | - |
| 2012 | N | Best Pop Solo Performance | "Firework" | - |
| 2012 | N | Record of the Year | "Firework" | - |
| 2011 | N | Best Pop Vocal Album | "Teenage Dream" | - |
| 2011 | N | Best Pop Collaboration with Vocals | "California Gurls" | Snoop Dogg |
| 2011 | N | Best Female Pop Vocal Performance | "Teenage Dream" | - |
| 2011 | N | Album of the Year | "Teenage Dream" | - |
| 2010 | N | Best Female Pop Vocal Performance | "Hot N Cold" | - |
| 2009 | N | Best Female Pop Vocal Performance | "I Kissed a Girl" | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2017 | N | iHeartRadio International Artist of the Year | - | - |
| 2017 | N | Fan Fave International Artist or Group | - | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2020 | N | Latin Pop/Urban Song of the Year | "Con Calma" | Daddy Yankee, Snow |
| 2018 | N | Best Music Video | "Swish Swish" | - |
| 2018 | N | Cutest Musician's Pet | "Nugget" | - |
| 2018 | N | Best Remix | "Bon Appetit" | Migos, 3LAU |
| 2017 | N | Best Fan Army | "KatyCats" | - |
| 2016 | N | Most Meme-able Moment | The Left Shark (from Super Bowl 49) | - |
| 2015 | N | Best Collaboration | "Dark Horse" | Juicy J |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2011 | N | Best Artist (Solo) | - | - |
| 2011 | N | Best Pop Dance Track | "Firework" | - |
| 2011 | N | Best Music Video | "Fireworks" | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2015 | N | International Album of the Year | "PRISM" | - |
| 2011 | N | International Album of the Year | "Teenage Dream" | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2021 | N | Favorite Female Artist | - | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2009 | W | Best Ringtone | "Hot N Cold" | - |
| 2009 | N | Fashionista Award - Female | - | - |
| 2008 | N | Song of the Year | "I Kissed a Girl" | - |
| 2008 | N | Best New Artist - International | - | - |
| 2008 | N | - | - | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2009 | N | Breakthrough | - | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2020 | N | Best Virtual Live | "Tomorrow Land – Around The World" | - |
| 2020 | N | Best Pop | - | - |
| 2017 | N | Biggest Fans | - | - |
| 2017 | N | Best Video | "Bon Appetit" | Migos |
| 2015 | N | Biggest Fans | - | - |
| 2015 | N | Best Live | - | - |
| 2014 | W | Best Video | "Dark Horse" | Juicy J |
| 2014 | W | Best Look | - | - |
| 2014 | N | Best U.S. Act | - | - |
| 2014 | N | Best Live | - | - |
| 2014 | N | Best Female | - | - |
| 2014 | N | Best Pop | - | - |
| 2014 | N | Best Song | "Dark Horse" | Juicy J |
| 2013 | N | Best Female | - | - |
| 2013 | N | Best Pop | - | - |
| 2012 | W | Best Female | - | - |
| 2012 | N | Biggest Fans | - | - |
| 2012 | N | Best Video | "Wide Awake" | - |
| 2012 | N | Best Pop | - | - |
| 2011 | W | Best Live Act | - | - |
| 2011 | N | Best Female | - | - |
| 2011 | N | Best Pop | - | - |
| 2011 | N | Best Song | "Firework" | - |
| 2010 | W | Best Video | "California Gurls" | Snoop Dogg |
| 2010 | N | Best Song | "California Gurls" | Snoop Dogg |
| 2010 | N | Best Female | - | - |
| 2010 | N | Best Pop | - | - |
| 2010 | N | Best World Stage Performance | - | - |
| 2009 | N | Best Video | "Waking Up in Vegas" | - |
| 2009 | N | Best Female | - | - |
| 2008 | W | New Act | - | - |
| 2008 | N | Most Addictive Track | "I Kissed a Girl" | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2017 | N | Best Visual Effects | "Chained to the Rhythm" | Skip Marley, MIRADA (Company) |
| 2017 | N | Best Art Direction | "Bon Appetit" | Migos, Natalie Groce |
| 2017 | N | Best Direction | "Chained to the Rhythm" | Skip Marley, Mathew Cullen |
| 2017 | N | Best Pop | "Chained to the Rhythm" | Skip Marley |
| 2014 | W | Best Female Video | "Dark Horse" | Juicy J |
| 2014 | N | Best Collaboration | "Dark Horse" | Juicy J |
| 2012 | W | Best Art Direction | "Wide Awake" | - |
| 2012 | N | Best Visual Effects | "Wide Awake" | - |
| 2012 | N | Best Female Video | "Part of Me" | - |
| 2012 | N | Video of the Year | "Wide Awake" | - |
| 2011 | W | Video of the Year | "Firework" | - |
| 2011 | W | Best Collaboration | "E.T." | Kanye West |
| 2011 | N | Best Video with a Message | "Firework" | - |
| 2011 | N | Best Female Video | "Firework" | - |
| 2011 | N | Best Pop Video | "Last Friday Night (T.G.I.F.)" | - |
| 2010 | N | Best Female Video | "California Gurls" | Snoop Dogg |
| 2010 | N | Best Pop Video | "California Gurls" | Snoop Dogg |
| 2009 | N | Best Female Video | "Hot N Cold" | - |
| 2008 | N | Best New Artist | "I Kissed a Girl" | - |
| 2008 | N | Best Female Video | "I Kissed a Girl" | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2014 | N | International Video of the Year - Artist | "Dark Horse" | Juicy J |
| 2014 | N | Your Fave International Artist or Group | - | - |
| 2012 | W | International Video of the Year - Artist | "Last Friday Night (T.G.I.F)" | - |
| 2012 | W | UR Fave International Artist or Group | - | - |
| 2011 | N | International Video of the Year - Artist | "E.T." | - |
| 2011 | N | MuchMusic.com Most Watched Video of the Year | "California Gurls" | Snoop Dogg |
| 2011 | N | MuchMusic.com Most Watched Video of the Year | "Teenage Dream" | - |
| 2010 | N | International Video of the Year - Artist | "Waking Up in Vegas" | - |
| 2009 | N | International Video of the Year - Artist | "Hot N Cold" | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2020 | N | Favorite Female Artist | - | - |
| 2019 | N | Favorite TV Judges | American Idol (2002) (TV) | Luke Bryan, Lionel Richie |
| 2018 | N | Favorite Female Artist | - | - |
| 2015 | N | Favorite Song of the Year | "Dark Horse" | - |
| 2015 | N | Favorite Female Singer | - | - |
| 2014 | N | Favorite Song | "Roar" | - |
| 2014 | N | Favorite Female Singer | - | - |
| 2014 | N | Favorite Voice from an Animated Movie | - | - |
| 2013 | W | Favorite Female Singer | - | - |
| 2012 | W | Favorite Voice from an Animated Movie | The Smurfs (2011) | - |
| 2012 | N | Favorite Song | "Firework" | - |
| 2012 | N | Favorite Female Singer | - | - |
| 2011 | W | Favorite Female Singer | - | - |
| 2011 | N | Favorite Song | "California Gurls" | Snoop Dogg |
| 2009 | N | Favorite Song | "I Kissed a Girl" | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2014 | W | International Song of the Year | "Roar" | - |
| 2014 | W | International Female Artist of the Year | - | - |
| 2012 | N | Video of the Year | "Last Friday Night (T.G.I.F)" | - |
| 2012 | N | International Female Artist of the Year | - | - |
| 2011 | N | Music Video of the Year | "California Gurls" | - |
| 2011 | N | International Song of the Year | "California Gurls" | - |
| 2011 | N | International Female Artist of the Year | - | - |
| 2009 | W | International Album of the Year | "One of the Boys" | - |
| 2009 | N | International Revelation of the Year | - | - |
| 2009 | N | International Song of the Year | "I Kissed a Girl" | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2011 | N | Favorite Animated GIF | - | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2018 | N | Concert Tour of 2018 | "Witness Tour" | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2015 | N | Favorite Female Artist | - | - |
| 2014 | W | Favorite Music Video | "Roar" | - |
| 2014 | W | Favorite Song | "Roar" | - |
| 2014 | N | Favorite Music Fan Following | KatyCats | - |
| 2014 | N | Favorite Pop Artist | - | - |
| 2014 | N | Favorite Female Artist | - | - |
| 2013 | W | Favorite Female Artist | - | - |
| 2013 | W | Favorite Pop Artist | - | - |
| 2013 | W | Favorite Music Video | "Part of Me" | - |
| 2013 | W | Favorite Music Fan Following | KatyCats | - |
| 2012 | W | Favorite Song of the Year | "E.T" | Kanye West |
| 2012 | W | Favorite Tour Headliner | - | - |
| 2012 | W | Favorite Music Video | "Last Friday Night(T.G.I.F.)" | - |
| 2012 | W | Favorite Female Artist | - | - |
| 2012 | W | Favorite TV Guest Star | How I Met Your Mother (TV) | - |
| 2012 | N | Favorite Pop Artist | - | - |
| 2012 | N | Favorite Animated Movie Voice | The Smurfs (2011) | - |
| 2011 | W | Favorite Web Celeb | - | - |
| 2011 | W | Favorite Female Artist | - | - |
| 2011 | N | Favorite Song | "California Gurls" | Snoop Dogg |
| 2011 | N | Favorite Pop Artist | - | - |
| 2011 | N | Favorite Music Video | "Teenage Dream" | - |
| 2010 | N | Favorite Pop Artist | - | - |
| 2009 | W | Favorite Pop Song | "I Kissed a Girl" | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2015 | N | Favorite Hitmaker | - | - |
| 2014 | N | Favorite Hit | "Dark Horse" | Juicy J |
| 2014 | N | Favorite Hit | "Roar" | - |
| 2014 | N | Favorite Hitmaker | - | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2015 | W | Outstanding Costumes For a Variety Program or a Special | "Super Bowl XLIX Halftime Show Starring Katy Perry" | Courtney Webster |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2015 | N | Outstanding Short-Format Live-Action Entertainment Program | Super Bowl XLIX Halftime Show Starring Katy Perry (TV) | Ricky Kirshner, Robert Paine |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2011 | N | Best Video | "Last Friday Night (T.G.I.F.)" | - |
| 2008 | N | Best Track | "I Kissed a Girl" | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2017 | N | She's the One - Best Female Artist | - | - |
| 2014 | N | She's the One - Best Female Artist | - | - |
| 2014 | N | The Bestest - Song of the Year | "Roar" | - |
| 2014 | N | So Fantastic - Fiercest Fans | "Katycats" | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2012 | N | Worst Supporting Actress | The Smurfs (2011) | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2011 | N | Worst Album | "Teenage Dream" | - |
| 2010 | N | Worst Dressed | - | - |
| 2009 | N | Worst Dressed | - | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2019 | N | Choice Latin Song | "Con Calam (Remix)" | Daddy Yankee, Snow |
| 2019 | N | Choice Electronic/Dance Song | "365" | Zedd |
| 2019 | N | Choice Song: Female Artist | "Never Really Over" | - |
| 2017 | N | Choice Summer Female Artist | - | - |
| 2017 | N | Choice Female Artist | - | - |
| 2016 | N | Choice Twit | - | - |
| 2015 | N | Social Media Queen | - | - |
| 2015 | N | Choice Twit | - | - |
| 2014 | W | Social Media Queen | - | - |
| 2014 | N | Choice Summer Tour | "The Prismatic World Tour" | - |
| 2014 | N | Choice Single Female Artist | "Dark Horse" | Juicy J |
| 2014 | N | Choice Female Artist | - | - |
| 2013 | N | Choice Twitter Personality | - | - |
| 2012 | W | Choice Fashion Icon: Female | - | - |
| 2012 | N | Choice Summer Music Star: Female | - | - |
| 2012 | N | Choice Break-Up Song | "Wide Awake" | - |
| 2012 | N | Choice Female Hottie | - | - |
| 2012 | N | Choice Single by a Female Artist | "Part of Me" | - |
| 2012 | N | Choice Female Artist | - | - |
| 2011 | W | Choice Summer Music Star: Female | - | - |
| 2011 | N | Choice Music: Female Artist | - | - |
| 2011 | N | Choice Music: Single | "Firework" | - |
| 2011 | N | Choice Music: Love Song | "Teenage Dream" | - |
| 2011 | N | Choice Summer Song | "Last Friday Night (T.G.I.F)" | - |
| 2010 | W | Choice Music: Single | "California Gurls" | - |
| 2010 | W | Choice Summer Music: Song | "California Gurls" | Snoop Dogg |
| 2010 | N | Choice Summer Music Star: Female | - | - |
| 2009 | N | Choice Music Album Female Artist | "One of the Boys" | - |
| 2009 | N | Choice Music: Female Artist | - | - |
| 2009 | N | Choice Music: Single | "Hot N Cold" | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2016 | W | - | - | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2014 | W | Special Award | - | - |
| 2012 | N | World's Best Female Artist | - | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2013 | N | Artist of the Year | - | - |
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