William B. Martin (May 13, 1866 – January 22, 1931) was an American sport shooter, who competed in the 1908 Summer Olympics.

[1] At the 1908 Olympics, he won a gold medal in the team military rifle event.

[2] In the Autumn of 1917, Martin was elected Union County, New Jersey Clerk.

He assumed office for a five-year term and was twice re-elected.

This article about a sport shooting Olympic medalist of the United States is a stub.