Manninen is a surname originating in Finland. It may refer to:
- Hannes Manninen (born 1946), Finnish politician
- Hannu Manninen (born 1978), Finnish Nordic combined athlete
- Mikko Manninen (born 1985), Finnish professional football striker
- Otto Manninen (1872-1950), Finnish writer
- Pirjo Manninen (born 1981), Finnish cross country skier
- Raimo Manninen (athlete) (born 1955), Finnish retired javelin thrower
- Raimo Manninen (alpine skier) (1940–2009), Finnish alpine skier
- Uolevi Manninen (1937 -2009), Finnish basketball player and businessman
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