JFO may refer to: Joint Fires Observer, in the U.S. military Joint Forces Operation, the Ukrainian military counter-offensive in the War in Donbas Journal of Field Ornithology, a periodical Crissy Field, former U.S. Army airfield in San Francisco J. F. Oberlin, noted pastor and namesake of Oberlin College Star Wars Jedi: Fallen Order, a 2019 Star Wars video game