John E. Bendix (August 28, 1818 – October 8, 1877) was an officer in the Union Army during the American Civil War who commanded two different New York regiments and then a brigade of infantry in Army of the Potomac in the Eastern Theater. He survived a serious wound at the Battle of Fredericksburg in December 1862. He was noted as a prolific recruiter and organizer, and after the war, as a general, he helped organize the postbellum state militia that later became the New York Guard.