James Delaney may refer to:
- James J. Delaney (1901–1987), representative from New York
- James Delaney (tennis) (born 1953), former professional tennis player
- James Delaney (mayor) (1896–1970), mayor of Anchorage, Alaska, 1929–1932
- James Delaney (Taboo), a character in the British television drama series, Taboo
- Jimmy Delaney (1914–1989), Scottish footballer
- James Delaney (boxer), also known as Jimmy Doyle, boxer who died after a bout with Sugar Ray Robinson
- James Delaney (rugby league), rugby league player
- Jim Delaney (athlete) (1921–2012), American athlete
- Jim Delaney (racing driver) (1928–1991), NASCAR pioneer