Donald Francis Snow (September 6, 1877 – February 12, 1958) was a member of the US House of Representatives from Maine.
He attended the public schools of his native city and was graduated from Bowdoin College, in Brunswick, Maine, in 1901.
He later attended the law school of the University of Maine, earning a Juris Doctor in 1904.
He was elected city solicitor of Bangor in 1906, serving until 1910; and he was prosecuting attorney of Penobscot County, Maine from 1911 to 1913.
In April 1935, Snow was committed to the Maine State Prison for two to four years for embezzlement, convicted of converting to his own use funds from two estates of which he was serving as executor.