Henry Frederick William Behnsen (March 16, 1852 – after 1916) was a German-born cigar manufacturer and political figure in British Columbia. He represented Victoria City from 1907 to 1916 in the Legislative Assembly of British Columbia as a Conservative.
He was born in Hanover and educated there. Behnsen served as a paymaster in the German Army. In 1878, he married Elizabeth G. Reade.