Peter Schmidt may refer to:
- Peter Schmidt (born 1782) (1782–1845), Norwegian merchant and politician
- Peter Schmidt (artist) (1931–1980), British artist and teacher
- Peter Schmidt (author) (born 1944), German author, recipient of the Deutscher Krimi Preis
- Peter Schmidt (economist), American economist and econometrician
- Peter Schmidt (footballer) (born 1943), Austrian footballer
- Peter Schmidt (political scientist)
- Peter Schmidt (water polo) (born 1937), German Olympic water polo player
- Peter Schmidt (Wisconsin politician) (born 1992), American politician
- Peter Schmidt (zoologist) (1872–1949), Russian zoologist and ichthyologist
- Peter B. Schmidt, Democratic member of the New Hampshire House of Representatives
- Peter Lebrecht Schmidt (born 1933), German classical scholar
- Pyotr Schmidt (1867–1906), Russian revolutionary, circa 1905