Piter, a variant of the name Peter, may refer to:
;People with the surname
- Katarzyna Piter (born 1991), Polish tennis player
;People with the given name
- Piter Wilkens (born 1959), Frisian singer, guitarist, composer, lyricist, and producer
;People with the nickname
- Píter (footballer), full name Eurípedes Fernandes (1940–2022), Brazilian football defender
;Fiction
- Piter (novel), a 2010 novel by Shimun Vrochek set in the Universe of Metro 2033
- Piter De Vries, character from the Dune universe
;Other
- FC Piter Saint Petersburg, Russian football team
- General nickname for Saint Petersburg
- PiTER, a Counter Strike: Global Offensive team
See also
- André Piters (1931–2014), Belgian footballer
- U-Piter (band), Russian rock band
- Pieter (disambiguation)
- Pyotr
- Peter (disambiguation)