Katy Perry has supported the following charities:
- AIDS LIFE
- American Foundation for AIDS Research
- DonorsChoose.org
- Elton John AIDS Foundation
- Generosity Water
- GRAMMY Foundation
- Habitat For Humanity
- Keep-a-Breast
- Make It Right
- Mines Advisory Group
- MusiCares
- Music for Relief
- Musicians on Call
- Project Clean Water
- Red Cross
- Save The Music Foundation
- Stand Up To Cancer
- STOMP Out Bullying
- The Art of Elysium
- United Service Organization