Uwais Khan ibn Sher Ali also referred to as Sultan Vais Khan, was the Moghul Khan of Mughalistan; (first from 1418 to 1421 C.E. and again from 1425 to 1429 C.E.). He was the nephew of Sher Muhammad. In English, his name has been variously spelled and pronounced as either Awais, Owais or Vais.