Dutsen Kunlun (wanda kuma aka rubuta Kunlun Shan) wani babban tsaunuka ne dake cikin yankin Asiya, musamman a yammacin kasar Sin. Sunan "Kunlun" ya fito ne daga tsohon dutsen tatsuniyoyi na kasar Sin mai suna iri daya, wanda aka yi imani da cewa shi ne wurin zama na alloli. Tsaunukan Kunlun sun kai fiye da kilomita 3,000 daga yankin Pamir Plateau na Tajikistan zuwa hanyar Hexi da ke lardin Gansu na kasar Sin. An san kewayon don manyan kololuwa, gami da Kunlun Goddess, wanda ke tsaye a mita 7,167 (ƙafa 23,514) kuma ita ce mafi girma a cikin kewayon. Tsaunuka sune tushen ruwa mai mahimmanci ga yankunan da ke kewaye, saboda suna dauke da glaciers masu yawa kuma sune tushen manyan koguna da dama, ciki har da Yangtze, Yellow, da Indus. Har ila yau, tsaunukan Kunlun suna da muhimmanci a al'adu, saboda sun taka muhimmiyar rawa a cikin tatsuniyoyi, adabi, da tarihi na kasar Sin.