Timothy Allen (born 1971) is an English photographer and filmmaker.
Tim Allen (born 1953) is an American actor and comedian.
Timothy Allen may also refer to:
- Timothy F. H. Allen (born 1942), British botanist
- Timothy Field Allen (1837–1902), American physician and botanist
- Tim Allen (footballer) (born 1970), former Australian rules footballer
- Timmy Allen (born 2000), American basketball player