The acronym RHC may refer to: Restaurant Head Coach, which is equivalent to Restaurant Manager Relativistic heat conduction The Black Watch (Royal Highland Regiment) of Canada Radio Havana Cuba Recueil des Historiens des Croisades, a major collection of medieval primary source documents about the Crusades Receding Horizon Control, another name for Model predictive control Red Hand Commando, a Loyalist paramilitary group in Northern Ireland Rosehill College, a school in South Auckland Rural health clinic C-scale of the Rockwell hardness scale Royal Hashemite Court, Jordan Royal Highland Centre, exhibition venue in Edinburgh, Scotland Royal Holloway College, University of London