Halon may refer to:

• Haloalkane, or halogenoalkane, a group of chemical compounds consisting of alkanes with linked halogens (in particular, bromine-containing haloalkanes)

Halomethane, a group of compounds used for extinguishing fires, amoung other uses

• Halon 10001 (iodomethane)

• Halon 1001 (bromomethane)

• Halon 1011 (bromochloromethane, CH2BrCl)

• Halon 104 (carbon tetrachloride)

• Halon 1103 (tribromofluoromethane)

• Halon 112 (dichlorofluoromethane)

• Halon 1201 (bromodifluoromethane)

• Halon 1202 (dibromodifluoromethane)

• Halon 1211 (bromochlorodifluoromethane, CF2ClBr)

• Halon 122 (dichlorodifluoromethane)

• Halon 1301 (bromotrifluoromethane, CBrF3)

• Halon 14 (tetrafluoromethane)

• Halon 2011B (1-bromo-2-chloroethane)

• Halon 2301 (1,1,1-trifluoro-2-bromoethane)

• Halon 2311 (1,1,1-trifluoro-2,2-chlorobromoethane, halothane)

• Halon 242 (1,2-dichlorotetrafluoroethane)

• Halon 2402 (dibromotetrafluoroethane, C2Br2F4)—used as a fire extinguisher

• Halon 2501 (pentafluorobromoethane)

• Halon 2600 (hexafluoroethane)

• Halon 4402 (1,1,2,2-tetrafluoro-1,4-dibromobutane)