blue #
= weekly pop chart peak
| 1 | Ur So Gay | Mar 2008 |  |
| 2 | I Kissed A Girl | 1 | Jun 2008 | |
| 3 | Hot N Cold | 1 | Oct 2008 | |
| 4 | White Christmas | Dec 2008 | |
| 5 | One Of The Boys | Jan 2009 | |
| 6 | Thinking Of You | 12 | Feb 2009 | |
| 7 | Waking Up In Vegas | 3 | Jul 2009 | |
| 8 | Starstrukk | Oct 2009 | |
| 3Oh!3 Featuring Katy Perry |
| 9 | If We Ever Meet Again | 23 | Jun 2010 | |
| Timbaland Featuring Katy Perry |
TEENAGE DREAM.
The next nine songs are from the album Teenage Dream pictured here.
Teenage Dream was the first regular studio album to have six number one songs.
Three additional songs were popular too, although those did not make the Pop Top 20.
A new version of the album subtitled The Complete Confection was released later, producing hits Part Of Me and Wide Awake.| 10 | California Gurls | 1 | Jul 2010 | |
| Katy Perry Featuring Snoop Dogg |
| 11 | Not Like The Movies | Aug 2010 | |
| 12 | Circle The Drain | Aug 2010 | |
| 13 | Teenage Dream | 1 | Sep 2010 | |
| 14 | Peacock | Nov 2010 | |
| 15 | Firework | 1 | Dec 2010 | |
| 16 | E.T. | 1 | Apr 2011 | |
| Katy Perry Featuring Kanye West |
| 17 | Last Friday Night (T.G.I.F.) | 1 | Aug 2011 | |
| 18 | The One That Got Away | 1 | Dec 2011 | |
| 19 | Part Of Me | 3 | Mar 2012 | |
| 20 | Wide Awake | 1 | Jul 2012 | |
| 21 | Roar | 1 | Sep 2013 | |
| 22 | Walking On Air | Oct 2013 | |
| 23 | By The Grace Of God | Oct 2013 | |
| 24 | It Takes Two | Oct 2013 | |
| 25 | Legendary Lovers | Oct 2013 | |
| 26 | This Moment | Oct 2013 | |
| 27 | Who You Love | Dec 2013 | |
| John Mayer Featuring Katy Perry |
| 28 | Unconditionally | 6 | Dec 2013 | |
| 29 | Dark Horse | 1 | Feb 2014 | |
| Katy Perry Featuring Juicy J |
| 30 | Birthday | 5 | Jun 2014 | |
| 31 | This Is How We Do | 15 | Sep 2014 | |