Peter S. Seaman
- Birthday: 1951-10-26
- Place of birth: Chicago, Illinois, USA
- Also know as: 피터 S. 시맨
Peter S. Seaman (born October 26 1951) is a writer and producer, known for Wild Wild West (1999), Who Framed Roger Rabbit (1988) and How the Grinch Stole Christmas (2000). He has been married to Margaret 'Nini' Swift Seaman since 1968. They have one child
