Ernest Robert Walker (September 17, 1890 – April 1, 1965) was an American Major League Baseball outfielder who played from 1913 to 1915 with the St. Louis Browns.

He batted left and threw right-handed.

Walker had a .256 batting average, with 65 career hits.

His interment was located in Birmingham's Fraternal Cemetery.

This biographical article relating to an American baseball pitcher born in the 1890s is a stub.