Harold Jack Daniels (December 21, 1927 – April 16, 2013) was an American outfielder in Major League Baseball.

Listed at 5' 10", (1.78 m), 165 lb., (75 kg), Daniels batted and threw left-handed.

At age 24, it had been a long journey to the major leagues for Daniels.

Daniels appeared in 106 games, mostly as a right fielder, while sharing outfield duties with Sid Gordon (LF) and Sam Jethroe (CF).

This biographical article relating to an American baseball outfielder born in the 1920s is a stub.