Albert Stanley "Lefty" Clauss (June 23, 1891 – September 13, 1952) was a Major League Baseball pitcher.

Clauss played for the Detroit Tigers in 1913.

In 5 career games, he had a 0–1 record, with a 4.73 ERA.

Clauss was born and died in New Haven, Connecticut.

This biographical article relating to an American baseball pitcher born in the 1890s is a stub.