James Garrison may refer to: James Garrison (architect) (born 1953), American architect and educator James R. Garrison (1838 –1908), Union Navy sailor and Medal of Honor recipient James D. Garrison, American historian of literature Jim Garrison (1921–1992), Louisiana district attorney, known for his investigations into the assassination of President John F. Kennedy Jim Garrison (American football) (1933–2015), American football coach Jimmy Garrison (1934–1976), American jazz double bassist