Stuart McGuire Martin (November 19, 1912 – January 11, 1997) was an American second baseman in Major League Baseball.

Martin was born in Rich Square, North Carolina and attended Guilford College.

He began his professional baseball career in the St. Louis Cardinals organization in 1934.

Martin continued to play semi-regularly for St. Louis for the rest of the decade.

However, in 1940 his batting numbers declined, and he was sold to the Pittsburgh Pirates after the season.