James Chalmers

• James Chalmers (loyalist), Scottish-born Loyalist officer from Maryland in the American Revolutionary War
• James Chalmers (inventor), Scottish inventor of the adhesive postage stamp
• James Ronald Chalmers, American politician
• James Chalmers (missionary), Scottish-born missionary to New Guinea
• James Chalmers (actor), British actor
• James Chalmers (footballer)