Robert Sellers Frazer (September 18, 1849 – July 31, 1936) was a justice of the Supreme Court of Pennsylvania from 1915 to 1930 and chief justice from 1930 to 1936.
Frazer served on the Allegheny County Court of Common Pleas until his election to the Supreme Court of Pennsylvania in 1914. He served as an associate justice from 1915 to 1930, before becoming chief justice in 1930, serving until 1936.[2][4] He died on July 31, 1936, in Pittsburgh, Pennsylvania.[1]