Knightmare II is a heavy metal band from Los Angeles, California, USA, that was formed in 1983 under the name Knightmare. In 1984, the band changed its name to Knightmare II. Not to be confsued with Knightmare (2) from New Hampshire, Knightmare (7) from Texas and Knightmare (4) from Turkey.

The band came as a continuation of vocalist and sole consistent member Rotten Rod Carlock's former band Knightmare.