Thomas Martin Connelly (October 20, 1897 – February 18, 1941) was an American outfielder in Major League Baseball who played five games in 1920 and 1921 for the New York Yankees.

He was born in Chicago, Illinois.

In his career, he failed to hit any home runs, had no runs batted in, and batted .167.

He died at age 43 in Hines, Illinois.

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