Richard McGrath was a Newfoundland politician who served as the Member of the Newfoundland House of Assembly for Placentia-St. Mary's from 1860 to 1865. He was originally elected in 1860 following the resignation of John Delaney. He chose not to run for re-election in the 1865 election. His son, Richard T. McGrath, later served as the MHA for Placentia-St. Mary's as well from 1894 to 1897 and from 1900 to 1904.