Joseph Blowick (13 March 1903 – 12 August 1970) was an Irish Clann na Talmhan politician who served as Minister for Lands from 1948 to 1951 and 1954 to 1957 and Leader of Clann na Talmhan from 1944 to 1965. He served as a Teachta Dála (TD) for the Mayo South constituency from 1943 to 1965.