Jonkheer Willem van Haren (21 February 1710 – 4 July 1768) was a Dutch nobleman and poet.^[1]

Van Haren was born in Leeuwarden. His best-known work was an epic poem, Friso, created in 1741. His brother, jhr. Onno Zwier van Haren, was also a poet and wrote patriotic verses. Willem van Haren died in Sint-Oedenrode.