AH-1 or variant may refer to:
Minor planets 1981 AH1, or 2684 Douglas 1983 AH1, or 4783 Wasson 1991 AH1, or 8166 Buczynski 1994 AH1, or 7257 Yoshiya 1996 AH1, or 37699 Santini-Aichl 2002 AH1, or 95008 Ivanobertini
Vehicles Bell Huey derived attack helicopters: Bell AH-1 Cobra, single engine attack helicopter Bell AH-1 SuperCobra, dual engine attack helicopter Bell 309 KingCobra, attack helicopter , a hospital ship
Other uses AH1, longest route of the Asian Highway Network