Welcome to the Canteen is the first live album by English rock band Traffic. It was recorded live at Fairfield Halls, Croydon and the Oz Benefit Concert in the canteen of the Polytechnic of Central London London, on 3 July 1971 and released in September of that year. It was recorded during Dave Mason's third stint with the band, which lasted only six performances.

Traffic were an English rock band formed in Birmingham in April 1967 by Steve Winwood, Jim Capaldi, Chris Wood and Dave Mason. They began as a psychedelic rock group and diversified their sound through the use of instruments such as keyboards, sitar, and various reed instruments, and by incorporating jazz and improvisational techniques in their music.