Ethel M. Cochrane (born September 23 1937) is a Canadian Senator.
A teacher by training, Cochrane worked as an educator in her native Newfoundland culminating in her period as a school principal. An advocate for education and literacy, she was appointed to the Senate by Prime Minister Brian Mulroney in November 1986 and sat as a Progressive Conservative until Feburary 2004 when she and most other PC Senators joined the new Conservative Party of Canada. Cochrane is the first female Senator to represent Newfoundland and Labrador.