John Joseph Vidacovich Jr. (born June 27, 1949) is an American jazz drummer and a member of the band Astral Project with James Singleton, Tony Dagradi, and Steve Masakowski.
He has also worked with Bobby McFerrin, Stanton Moore, Charlie Hunter, Willy DeVille, Robert Walter, Mose Allison, Johnny Adams, Professor Longhair, James Booker, and Alvin Tyler. He began teaching at Loyola University New Orleans in 1982.