- Munchkins are small people from Munchkin Country in The Wonderful Wizard of Oz.
- In role-playing games, a "munchkin" is a player who plays a normally cooperative game exclusively for the purposes of "winning", usually at the cost of the other players' enjoyment of the game. The term is also frequently used in reference to powergamers and to immature players in general. A more neutral use of the term is in reference to young players, who, not knowing yet how to roleplay, typically obsess about the statistical "power" of their characters rather than developing their characters' fictional "personalities." Many players go through this phase.
- Munchkin is a popular card game by Steve Jackson that presents a humorous take on role-playing games.
- The singing puppets of The Rimmer Experience from the UK science fiction comedy series Red Dwarf are nicknamed "Rimmer Munchkins" by fans of the show.
- The Munchkin is a breed of cat characterised by unusually short legs.
- The Dunkin' Donuts chain of fast food doughnut shops sells "doughnut holes" called "Munchkins".