OW or ow may refer to:
Owls are birds from the order Strigiformes, which includes about 200 species of mostly solitary and nocturnal birds of prey typified by an upright stance, a large, broad head, binocular vision, binaural hearing, sharp talons, and feathers adapted for silent flight.
Owen James Hart (May 7, 1965 – May 23, 1999) was a Canadian–American professional and amateur wrestler who worked for several promotions including Stampede Wrestling, New Japan Pro Wrestling (NJPW), World Championship Wrestling (WCW), and the World Wrestling Federation (WWF).
Owl City is an American electronica project created in 2007 in Owatonna, Minnesota; it is one of several projects by singer, songwriter and multi-instrumentalist Adam Young.
Owen Andrew Farrell (born 24 September 1991) is an English professional rugby union player, currently playing for Premiership Rugby side Saracens.
Owen Lee Hargreaves (born 20 January 1981) is an English former footballer and current television pundit for BT Sport.