Daniel Collins, Danny Collins, or Dan Collins may refer to:

• Daniel Collins (canoeist) or Danny Collins (born 1970), Australian Olympic canoeist
• Daniel Collins (Dark Shadows), a character in Dark Shadows
• Daniel Collins (actor, artist, custom car and motorcycle builder) (born 1974), American actor in the movie The Stoned Age, TV show Northern Exposure and others
• Daniel Collins (priest) (died 1648), Canon of Windsor
• Daniel Collins (hurler) (born 1994), Irish hurler
• Daniel J. Collins (died 1926), New York assemblyman
• Daniel P. Collins (born 1963), American lawyer and federal judge

• Danny Collins (film), 2015 comedy-drama film
• Danny Collins (footballer) (born 1980), Welsh footballer
• Danny Boy Collins (born 1967), English wrestler

• Dan Collins (actor, artist, custom car and motorcycle builder) (born 1974) See: Daniel Collins (actor)
• Dan Collins (American football) (born 1976), American football player
• Dan Collins (baseball) (1854–1883), baseball player
• Dan Collins (journalist) (1943–2024), senior producer for CBSNews.com
• Dan Collins (footballer) (1872–1925), played Australian football for St. Kilda in the VFL