Edward Cunningham Foster (February 13, 1887 – January 15, 1937) was an American professional baseball third baseman.

He played in Major League Baseball (MLB) from 1910 to 1923 for the New York Highlanders, Washington Senators, Boston Red Sox, and St. Louis Browns.

Foster played in the minor leagues from 1906 to 1909, then appeared in 30 games for the New York Highlanders in 1910, hitting only .133.

[2] He was treated at Georgetown University Hospital, where he was cared for by a nurse named Mary Chrismond.

[citation needed] In 1500 games over 13 seasons, Foster posted a .264 batting average (1490-for-5652) with 732 runs, 191 doubles, 71 triples, 6 home runs, 451 RBI, 195 stolen bases, 528 bases on balls, .329 on-base percentage and .326 slugging percentage.