List of Major League Baseball umpiring leaders

The following include various records set by umpires in Major League Baseball. Leagues are abbreviated as follows:

• AA – American Association, 1882–1891
• AL – American League, 1901–1999
• FL – Federal League, 1914–1915
• ML – Major League Baseball, 2000–present (AL and NL umpiring staffs were merged in 2000)
• NL – National League, 1876–1999
• PL – Players' League, 1890