Fob or FOB may refer to:
Entertainment FOB (play), a 1981 play by David Henry Hwang Fall Out Boy, an American rock band
Fashion and technology Fob pocket Key fob USB fob Watch fob
Medicine Fecal occult blood Follow-on biologics
Military Forward operating base Fractional Orbital Bombardment
Other uses Federation of Revolutionary Syndicalist Organizations of Brazil FOB (shipping) or Free on Board Federal Office Building (disambiguation) Fixed odds betting terminal Fob James (born 1934), former governor of Alabama Fresh off the boat