Dora McGrath (born ) was an American politician who was the first woman elected to the Wyoming Senate in 1930.
Hailing from Thermopolis, she was elected as a Republican. McGrath, a resident of Thermopolis, Wyoming, represented Hot Springs County in the Senate. She also served as a delegate from Wyoming to the 1932 Republican National Convention.
In April 1929, McGrath founded the Hot Springs County Pioneer Association.