James Hagan

• James Hagan (bishop), English Roman Catholic bishop
• James Hagan (Confederate colonel), United States Army captain and Confederate States Army colonel
• James B. Hagan, member of the Ohio House of Representatives
• James E. Hagan, American businessman and politician in the Massachusetts House of Representatives
• Jim Hagan, Northern Irish former professional footballer and manager
• Jim Hagan (basketball), American basketball player
• Jimmy Hagan, English football player and manager