The following is a list of characters that have appeared or have been referred to in the Peanuts comic strip by Charles M. Schulz. Characters who appear in movies, TV specials and episodes of TV series based on Peanuts but have never appeared in the strip itself are listed separately.
Major human characters
- Charles "Charlie" Brown
- Sally Brown
- Eudora
- Franklin
- Frieda
- Violet Gray
- Marcie
- Patty
- Peppermint Patty
- "Pig-Pen"
- Schroeder
- Shermy
- Linus van Pelt
- Lucy van Pelt
- Rerun van Pelt
Major animal characters
Minor human characters
- 3 and 4
- 5
- Joe Agate
- Harold Angel
- "Badcall" Benny
- Charlotte Braun
- Clara
- Cormac
- "Crybaby" Boobie
- Emily
- Ethan
- Floyd
- The Goose Eggs (Ruby, Austin, Leland, and Milo)
- Royanne Hobbs
- Peggy Jean
- Larry
- Lila
- The Little Pigtailed Girl
- Loretta
- Lydia
- Maynard
- Naomi
- José Peterson
- Poochie
- Tapioca Pudding
- Joe Richkid
- Roy
- Shirley
- Sophie
- Thibault
- Truffles
- Unnamed Ponytailed Girl
- Molly Volley
Minor animal characters
- Andy
- Beach-Beagle
- Belle
- Belle's son
- Faron
- Lila's cat
- Marbles
- Olaf
- Snoopy's Beagle Scouts
- Snoopy's fiancé
- Snoopy's parents
- Snoopy's siblings
- World War II (cat next door)
- Various unnamed birds who appeared in the strip before the introduction of Woodstock
Unseen characters
- Amy
- Beach-Beagle
- Mr. and Mrs. Brown
- Mr. and Mrs. van Pelt
- Charlie Brown's pen(cil) pal
- Linus' blanket-hating grandmother
- The Little Red-Haired Girl
- The Little Red-Haired Girl's grandmother
- Miss Othmar
- Joe Shlabotnik
- Helen Sweetstory
Objects or imaginary characters
TV and movie characters
The following characters appear in animated movies, TV specials and episodes of TV series based on the Peanuts comic strip but have never appeared in the strip itself.
Humans
- Russell Anderson
- Babette
- Camp bullies
- Dolly
- Janice Emmons
- Evelyn
- Jacques
- Mary Jo
- Melody-Melody
- Mimi
- Mora
- Pierre
- Polly
- Sandy
- Felix van Pelt
- Violette