Khasa-Malla kingdom (Nepali: खस मल्ल राज्य, romanized: Khasa Malla Rājya), popularly known as Khasa Kingdom (Nepali: खस राज्य, romanized: Khasa Rājya) and Yatse (Wylie: ya rtse) in Tibetan, was a medieval kingdom established around the 11th century in regions that are presently in far-western Nepal and parts of Uttarakhand state in India. Kingdom of Nepal is believed as the successor of Khas-Malla Kingdom by King of Nepal adopting the regal name Maharajdhiraj in royal courts.
The origins of the ruling family are disputed with some arguing that the kingdom was ruled by kings of Khasa tribe who bore the family name "Malla" (not to be confused with the later Malla dynasty of Kathmandu). However a growing body of evidence indicates that the ruling family were descended from the Tibetan House of Yatse and was gradually Indianised.The Khasa Malla kings ruled western parts of Nepal during 11th–14th century. The 954 AD Khajuraho Inscription of Dhaṇga states that the Khasa Kingdom were equivalent to the Gaudas of Bengal and the Gurjara-Pratihara dynasty.