Peter Lambert may refer to:
- Peter Lambert (baseball) (born 1997), American baseball pitcher
- Peter Lambert (brigadier) (contemporary), Australian army officer and defence scientist
- Peter Lambert (Gaelic footballer) (fl. 1991–2003), retired Irish sportsperson
- Peter Lambert (rosarian) (1859–1939), German rosarian
- Peter Lambert (rower) (born 1986), British rower
See also
edit- Richard Peter Lambert (born 1944), British journalist and business executive