James Leon Roesener is an American politician in the state of New Hampshire.

He is a member of the New Hampshire House of Representatives from the 22nd district in Merrimack, having been first elected in 2022; this election made him the first openly transgender man to win election to any state legislature in the United States.

Roesener is a member of the Democratic Party.

He lives in Concord, New Hampshire and is married to a woman.

This article about a New Hampshire politician is a stub.