| Khadka खड्का | |
| Language origin: | Khas language |
| Origin: | Khasa kingdom |
| Derivation: | Khadga (sword) |
| Meaning: | Sword bearer |
| Cognate: | Katwal, Khandayat |
| Derivative: | Khadka Kshatri, Khadka kaji, Maharajhi Khadka, Kalikote Khadka |
| See also: | Kunwar, Basnet, Karki, Thapa |
Khadka (ne|खड्का), anciently called as Khaḍka (sa|खड्गा), is a surname of Khas/Chhetri caste.[1] Khadga was an ancient Paikelā (warrior) rank along with Thāpā, Rānā and Buḍhā chhetri.[1] Khadka is also a surname of Magar caste which is sub-clan of Rana Magar clan “i.e.” the last magar King Mansingh Khadka Magar of Majhakot (Gorkha), before Drabya Bikram Shah became King of Gorkha
See main article: Kunwar family. Prime Minister of Nepal Jung Bahadur Kunwar Rana belonged to the Kunwar family of the Khadka clan. The Kunwar family genealogy also states the title of 'Kunwar Khadka' which was taken by the ancestors of the Kunwar family.
After the premiership of Jung Bahadur Kunwar, the Kunwar family through a royal order took up the title of Rana and claimed themselves as Rajput family of Chittor in India and founded the Rana dynasty.