Johnny Reb is a set of miniatures rules from the American Civil War. Units are regiments of 15 to 30 figures divided into 5 bases, with players commanding a division or corps.

The first edition was published by Adventure Games in 1983. GDW released a 2nd edition with minor changes in 1988, with a scenario book "To the Sound of the Guns" the same year. Johnny Reb III, published by John Hill in 1996 is a very different game, with major changes to the scale (1":50 vs 1":40 yards, 1:30 vs 1:20 men, artillery batteries vs sections) and games mechanisms.