ROCK

ROCK may refer to:
 * Chicago, Rock Island and Pacific Railroad
 * Rho-associated protein kinase, a serine/threonine-specific protein kinase
 * Rollergirls of Central Kentucky, roller derby league based in Lexington, Kentucky
 * R.O.C.K., a 1986 hard rock/heavy metal album by Kirka
 * Robert Orin Charles Kilroy, from the Styx rock opera Kilroy Was Here, see Mr. Roboto