Ronald Herman Witmeyer (born June 28, 1967) is an American former first baseman in Major League Baseball who played for the Oakland Athletics during their 1991 season.

Born in West Islip, New York, Witmeyer attended Stanford University, and in 1987 he played collegiate summer baseball with the Harwich Mariners of the Cape Cod Baseball League.

[1][2] Witmeyer was selected by the Athletics in the 7th round of the 1988 MLB Draft.

In 11 games, he hit one single in 19 at-bats and did not score or drive in a run.

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