Willard N. Clute (1869–1950) was an American author, naturalist and botanist.

He was born in Steuben County, New York, the son of George N. and Ruth Wright Clute.

Starting in 1928, he was professor of botany and curator of the botanical gardens.

He collected ferns, lycopods, and nonvascular plants in North America, Jamaica and New Zealand.

He was married to the botanical illustrator and artist Ida Martin Clute.