Robert H. Clark (March 18, 1863 – August 21, 1919) was a 19th-century Major League Baseball catcher. He played from 1886 to 1893 for the Brooklyn Grays/Bridegrooms, Cincinnati Reds and Louisville Colonels. He appeared in the post-season World Series with Brooklyn twice, in 1889 and 1890. Clark died in Covington, Kentucky on August 21, 1919 from burns he suffered in a chemical explosion at a Cincinnati factory several months earlier.