His Majesty

His Majesty may refer to:
 * Majesty, a style used by monarchs
 * Charles III, King of the United Kingdom and Commonwealth


 * His Majesty (comic opera), an 1897 English comic opera
 * His Majesty (band)
 * His Majesty (horse) (1968–1995), American Thoroughbred racehorse
 * London, Brighton and South Coast Railway no. 42 His Majesty, an LB&SCR B4 class 4-4-0 tender locomotive