Robert Wilbur Barton (July 30, 1941 – January 15, 2018) was an American professional baseball player.

Barton made his Major League debut at the age of 22 on September 17, 1965, in a 9–1 Giants loss to the Milwaukee Braves at County Stadium, entering the game in the seventh inning, replacing catcher Jack Hiatt.

His first hit came in his next at-bat on September 28 in a 9–1 loss to the St. Louis Cardinals at San Francisco's Candlestick Park.

Pinch-hitting for Baseball Hall of Famer Warren Spahn in the ninth inning, he singled off Larry Jaster.

[1] Barton was primarily a backup catcher, playing behind Tom Haller with the Giants and Baseball Hall of Famer Johnny Bench with the Reds.