James Hagan may refer to:

• James Hagan (Confederate colonel) (1822–1901), United States Army captain and Confederate States Army colonel
• James B. Hagan (1923–1988), member of the Ohio House of Representatives
• James E. Hagan (1902–1965), American businessman and politician in the Massachusetts House of Representatives
• Jim Hagan (born 1956), Northern Irish former professional footballer and manager
• Jimmy Hagan (1918–1998), English football player and manager

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