Ov or OV may refer to:
Gun laws and policies (collectively referred to as firearms regulation or gun control) regulate the manufacture, sale, transfer, possession, modification and use of small arms by civilians.
Overtime is a method of determining a winner in an ice hockey game when the score is tied after regulation.
Overtime or extra time is an additional period of play specified under the rules of a sport to bring a game to a decision and avoid declaring the match a tie or draw where the scores are the same.
Overwatch is a team-based multiplayer first-person shooter video game developed and published by Blizzard Entertainment, which released on May 24, 2016 for PlayStation 4, Xbox One, and Windows.
Ovarian cancer is a cancer that forms in or on an ovary. It results in abnormal cells that have the ability to invade or spread to other parts of the body.
Overseas Pakistanis (Urdu: بیرون ملک مقیم پاکستانی) refers to Pakistani people who live outside of Pakistan.
Overhead camshaft, commonly abbreviated to OHC, is a valvetrain configuration which places the camshaft of an internal combustion engine of the reciprocating type within the cylinder heads ("above" the pistons and combustion chambers) and drives the valves or lifters in a more direct manner compared with overhead valves (OHV) and pushrods.
Overseas Chinese (Chinese: 海外華人; pinyin: Hǎiwài Huárén) are people of Chinese birth or descent who live outside the People's Republic of China (the Mainland, Hong Kong, Macau) and the Republic of China (Taiwan).