Nicholas Michael Leddy (born March 20, 1991) is an American professional ice hockey defenseman currently playing with the New York Islanders of the National Hockey League (NHL).
He was drafted in the first round, 16th overall by the Minnesota Wild in the 2009 NHL Entry Draft.
On February 12, 2010, the Minnesota Wild traded Leddy's NHL rights to the Chicago Blackhawks.
He won a Stanley Cup with the Blackhawks in 2013.
He was later traded to the New York Islanders on October 4, 2014.