John Babbitt McNair, CC (November 20, 1889 – June 14, 1968) was the 23rd premier of the Province of New Brunswick, Canada from 1940 to 1952. He worked as a lawyer, politician and judge. Born in Andover, New Brunswick, he graduated from the University of New Brunswick in 1911 with a B.A. degree. Awarded a Rhodes Scholarship, at Oxford University he earned a B.A. in 1913 and a Bachelor of Civil Law degree in 1914, graduating with first-class honours. In 1967 he was made a Companion of the Order of Canada.