Daniel Barrett

• Dan Barrett (born 1980), American musician, founding member of rock duo Have a Nice Life
• Dan Barrett (jazz musician) (born 1955), American jazz trombonist

• Danny Barrett (American football) (born 1961), quarterback and coach
• Daniel Barrett (footballer) (born 1980), English footballer for Chesterfield
• Dan Barrett (soccer coach), Australian soccer coach since 2014
• Danny Barrett (rugby union) (born 1990), American rugby player

• Dan Barrett (politician), American attorney, judicial candidate from North Carolina
• Daniel J. Barrett (born 1963), American writer and software engineer
• Daniel Barrett (visual effects supervisor), American film technician, Academy Award winner for 2022's Avatar: The Way of Water

{{human name disambiguation|Barrett, Daniel}}