Kūwaja (; died 1649) was a Qing nobleman of the Irgen Gioro clan of the Plain Blue Banner. He was a son of Asan, a founding contributor to the Qing dynasty who held the hereditary title of First-Class Viscount. In 1644, Kūwaja accompanied the Qing's main forces during their entry through Shanhai Pass and subsequent conquest of China proper. In December of the same year, he married a Gurun Princess, the sixth daughter of Hong Taiji, thereby becoming an imperial son-in-law (efu, prince consort). In 1648, he was punished for an unspecified offense. In 1649, the Gurun Princess died, and Kūwaja himself died of illness one month later.Draft History of Qing Volumn 166:「夸札，伊爾根覺羅氏，固山額真、一等精奇尼哈番阿山子。順治六年主薨後，逾月卒。」
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