James Potter may refer to:

• James Potter (Pennsylvania politician) (1729–1789), soldier, farmer, and politician from Pennsylvania
• James Potter (baseball) (1864–1934), American businessman and owner of baseball club the Philadelphia Phillies
• James B. Potter Jr. (born 1931), Los Angeles, California, City Council member
• James C. Potter (1855–1925), American engineer, inventor, businessman and civic leader
• Jimmy Potter (born 1941), Northern Irish former footballer
• James Potter (character), Harry Potter series character
• James Sirius Potter, Harry Potter series character