Peter is a common given name for males: see Peter (name).
Peter could refer to the following real people:
- Saint Peter, Jesus' disciple and the first and second epistles attributed to him
- Jiri Petr Rector Emeritus University Prague
- Peter the Deacon, a confidant of Pope Gregory I and rector of Sicily
- Antipope Peter II
- Peter the Hermit, a peasant religious icon during the First Crusade
- Peter of Portugal - Peter is the name of five Portuguese Kings and several Princes
- Peter I of Russia (Peter the Great), the first Emperor of the Russian Empire
- Saint Peter, Metropolitan of Moscow
- Peter (actor) (ピーター), a Japanese transvestite and actor who appeared in Akira Kurosawa's Ran
- Peter Frampton musician
- Peter, bishop of Zaragoza (Spain) in 1112.
- Peter Serafinowicz, English comedy actor
- Peter Stormare, actor
- Peter Saarsgard, actor
- Peter Tomarken, game show host
- Peter Cantor - French theologian (Catholic Encyclopedia article)
- Peter Cellensis - Bishop of Chartres (Catholic Encyclopedia article)
- Peter de Vinea - Most prominent statesman at the court of Frederick II (Catholic Encyclopedia article)
- Peter of Aquila - Italian Franciscan theologian and bishop (Catholic Encyclopedia article)
- Saint Peter the Aleut - Eastern Orthodox Christian martyr in California
- Peter of Auvergne, scholastic philosopher
- Peter of Bergamo (Catholic Encyclopedia article)
- Peter of Poitiers (Catholic Encyclopedia article)
- Fictional people
- Peter Parker, the alter ego of Spider-Man.
- Peter Pan
- Peter Potamus
- Dr. Peter Venkman A character played by Bill Murray in the movies Ghostbusters and Ghostbusters II.
- The blond caveman from the comic strip B.C.
- A principal character in Sheri S. Tepper's The True Game novels
- Peter Griffin, a main character on the animated series Family Guy.
- Peter Pevensie, a major character in The Chronicles of Narnia
- Peter Pettigrew, a character in the Harry Potter-series.
- Euphemisms
- Peter is also a euphemism for penis; see There's a Skeeter on My Peter.
- Technology
- Peter (software), an IDE