Lee Beattie Mailler (March 17, 1898 - September 22, 1967) was an American politician from New York.
He was born on March 17, 1898, in Cornwall-on-Hudson, Orange County, New York, the son of William Henry Mailler (1861-1929) and Sophia Jane (Preston) Mailler (1864-1941). He attended Cornwall-on-Hudson High School and Eastman Gaines Business College. He married Marion MacKenzie (1907-1976). He was for 15 years Superintendent of the Cornwall Hospital, and was a director and treasurer of the Highland Telephone Company.