Roy Frederick Smalley Jr. (June 9, 1926 – October 22, 2011) was a shortstop in Major League Baseball.

Smalley was signed at age 17 by the Cubs as an amateur free agent out of Springfield Catholic High School.

In 1947, Smalley spent the entire season with the Class A Des Moines Bruins, where he batted .244 in 114 games.

After being released by the Phillies in May 1958, Smalley signed with the St. Louis Cardinals and the spent the season with their Triple AAA club, the Rochester Red Wings.

He played for the Spokane Indians of the Los Angeles Dodgers organization for the 1960 season, after which he retired.

In 1962, the team slipped into a tie for third place, and Smalley was let go; during the season he played in one game, his final professional appearance as a player.

[4][5] Their son Roy III, born in 1952, went on to play shortstop in the major leagues for several teams from 1975 until 1987, including several years for the Minnesota Twins when Mauch was their manager.