Jack Elmer Urban (December 5, 1928 – June 26, 2006) was an American professional baseball pitcher who appeared in 69 games in the Major Leagues, 37 as a starter, for the Kansas City Athletics (1957–1958) and St. Louis Cardinals (1959).

The Yankees sent Irv Noren, Milt Graff, Mickey McDermott, Tom Morgan, Rip Coleman, Billy Hunter and Urban (as a player to be named later) to the Athletics for Art Ditmar.

Bobby Shantz, Jack McMahan, Wayne Belardi and two players to be named later, who would end up being Curt Roberts and Clete Boyer.

Although the team as a whole finished 59–94 on the year, Urban did exceptionally well compared to that, compiling a 7–4 record and a 3.34 earned run average in 1291⁄3 innings pitched, he allowed only 111 hits and 45 walks.

Appearing in only eight games for St. Louis, Urban allowed 18 hits, seven walks and 11 earned runs in 102⁄3 innings for a 9.28 ERA.