A Night in Tunisia is a 1958 jazz album by Art Blakey & the Jazz Messengers, released by the RCA Victor subsidiary label Vik. It features the only recorded instances of saxophonists Jackie McLean and Johnny Griffin playing together.
The album's original five tracks were augmented by up to three alternative takes on CD reissues. The album was also reissued under the title Theory of Art, with two nonet tracks – "A Night at Tony's" and "Social Call" – added.