Ontario Knife Company

Ontario Knife Company
Industry	Knives, edged tools
Founded	1889 in Naples, New York, United States
Defunct	August 1, 2023
Fate	Ended operations after sale to Blue Ridge Knives
Successor	Blue Ridge Knives
Headquarters	Franklinville, New York, United States
Products	Aircrew Survival Egress Knife (ASEK) Survival Knife System; M1942 Machete; M7 bayonet; M9 bayonet; Navy MK3 MOD 0 diving/survival knife; OKC-3S Bayonet; Old Hickory; Randall's Adventure & Training survival knives; RAT-7; TAK-1;
Owner	Servotronics (?–2023); Blue Ridge Knives (2023);
Website	Official website

Ontario Knife Company (OKC) was an American manufacturer of knives and military tools. On August 1, 2023, OKC was acquired by Blue Ridge Knives and subsequently closed.