OC-1 may refer to:
*
OC-1, a class of specifications for SONET optical fiber in telecommunications
* The pseudonym of a US official who shot Guantanamo captive
Omar Khadr
Omar Ahmed Said Khadr ( ar, عمر أحمد سعيد خضر; born September 19, 1986) is a Canadian citizen who at the age of 15 was detained by the United States at Guantanamo Bay for ten years, during which he pleaded guilty to the murder of U ...
* The class of canoe racing: outrigger canoe, one person; see
Outrigger canoeing#Racing
* Solo Open Canoe for
Whitewater canoeing
Whitewater canoeing is the sport of paddling a canoe on a moving body of water, typically a whitewater river. Whitewater canoeing can range from simple, carefree gently moving water, to demanding, dangerous whitewater. River rapids are graded like ...
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