Willard Warren Marshall (February 8, 1921 – November 5, 2000) was a right fielder in Major League Baseball.

From 1942 through 1955, Marshall played for the New York Giants (1942, 1946–1949), Boston Braves (1952), Cincinnati Reds (1952-1953) and Chicago White Sox (1954–1955).

In an 11-season career, Marshall posted a .274 batting average with 130 home runs and 604 RBI in 1246 games played.

In 1947 he tied a NL record at the time by hitting three home runs in one game.

This biographical article relating to an American baseball outfielder born in the 1920s is a stub.