John Michael "Jack" Daugherty (born July 3, 1960) is a former major league first baseman and outfielder for parts of seven seasons with the Texas Rangers, Houston Astros, Cincinnati Reds and Montreal Expos.

At the collegiate level he played for the University of Arizona, and was signed as an undrafted free agent by the Oakland Athletics on October 9, 1982.

He played the 1984 season for the independent Helena Gold Sox of the Pioneer Baseball League[2] before signing with the Montreal Expos in December.

Daugherty's best season was 1990, as he appeared in a career high 125 games, hit six home runs, drove in 47, and batted .300/.347/.435.

Assigned to the Astros' triple A affiliate the Tucson Toros, Daugherty responded by tearing up the Pacific Coast League by hitting .390/.488/.525 over 42 games.

After two seasons in the Toronto Blue Jays' and San Francisco Giants' farm systems, Daugherty played in 1996 for the Chiba Lotte Marines.