Wally Mayer
Born: (1890-07-08)July 8, 1890
Cincinnati, Ohio
Died: November 18, 1951(1951-11-18) (aged 61)
Minnetonka, Minnesota
Batted: Right
Threw: Right
MLB debut
September 28, 1911, for the Chicago White Sox
Last MLB appearance
September 2, 1919, for the St. Louis Browns
MLB statistics
Batting average.193
Home runs0
Runs batted in20
Career highlights and awards

Walter A. Mayer (July 8, 1890 – November 18, 1951) was a backup catcher in Major League Baseball who played from 1911 through 1919 for the Chicago White Sox (1911–1912, 1914–1915), Boston Red Sox (1917–1918) and St. Louis Browns (1919). Listed at 5 ft 11 in (1.80 m), 168 lb., Mayer batted and threw right-handed. He was born in Cincinnati.

In a seven-season career, Mayer was a .193 hitter (53-for-274) with 22 runs and 20 RBI in 132 games, including 14 doubles, one triple, one stolen base, and a .303 on-base percentage. He did not hit a home run. In 112 catching appearances, he committed 17 errors in 553 chances for a .968 fielding percentage.

Mayer died in Minnetonka, Minnesota at age 61.