RSVP might refer to:
- RSVP (invitations), request for response (French: répondez s'il vous plaît)
- Red Sandstone Varied Productions, a performance arts company based in Ireland
- RSVP Technologies Inc., an artificial intelligence company based in Canada
Science and technology
- Rapid Serial Visual Presentation, speed reading technology
- Resource Reservation Protocol (RSVP), a computer network protocol
- Retired and Senior Volunteer Program, a volunteerism promotion by Senior Corps
- RSVP, an Australian dating site owned by Fairfax Media
- RSVP (board game)
- RSVP (1991 film), a short film directed by Laurie Lynd
- R.S.V.P. (film), a 2002 horror film
- "R.S.V.P.", a song by Nesian Mystik from their 2008 album Elevator Music
- "RSVP", a song by HEART from their 1987 album "Bad Animals"
- "RSVP", a song on the 2011 album 90 Bisodol (Crimond) by Half Man Half Biscuit
- RSVP: Resolve to Stop Violence Project; a programme to try to help incarcerated prisoners recognise their violent attitudes and change them.