Irving Romaro Calkins (October 31, 1875 – August 26, 1958) was an American physician and sport shooter who competed at the 1908 Summer Olympics.

[1] Irving Calkins was born in Palmer, Massachusetts on October 31, 1875.

[2] At the 1908 Olympics, he won a gold medal in the team pistol event.

He finished in eighth place in the individual pistol event.

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