Mikołaj Nicholas "Nick" Harbaruk (August 16, 1943 – March 10, 2011) was a professional ice hockey player.

Harbaruk was of Ukrainian descent, born in Poland and immigrated to Toronto, Ontario at the age of five.

Prior to his NHL career, Harbaruk played three seasons with the Toronto Marlboros and helped the Marlies win the 1964 Memorial Cup.

Harbaruk then spent five seasons with the Tulsa Oilers, a minor league affiliate of the Toronto Maple Leafs, where he got a college degree.

Harbaruk also played in the minors with Vancouver Canucks, Oklahoma City Blazers, Pittsburgh Hornets and Rochester Americans.