Nathan Oystrick (born December 17, 1982) is a Canadian professional ice hockey defenceman currently playing for the Elmira Jackals of the ECHL. Oystrick has previously played in the National Hockey League (NHL) with the Atlanta Thrashers, Anaheim Ducks and St. Louis Blues. He was originally drafted by the Thrashers in the seventh round, 198th overall, at the 2002 NHL Entry Draft.