Henry Frederick William Behnsen (March 16, 1852 – March 6, 1938) was a German-born cigar manufacturer and political figure in British Columbia. He represented Victoria City in the Legislative Assembly of British Columbia as a Conservative from 1907 until his retirement at the 1916 provincial election.
He was born in Hanover and was educated there. Behnsen served as a paymaster in the German Army. In 1878, he married Elizabeth G. Reade.
He died in Seattle on March 6, 1938.