Daniel Gallagher

Daniel Gallagher may refer to:

• Daniel Gallagher (sheriff) (1896–1956), sheriff of the City and County of San Francisco
• Daniel J. Gallagher (1873–1953), American attorney and political figure in Massachusetts
• Daniel M. Gallagher (born 1972), Commissioner of the U.S. Securities and Exchange Commission
• Dan Gallagher (1957–2001), Canadian television presenter
• Dan Gallagher (footballer) (born 1997), English footballer, playing for Dorking Wanderers