赤那部（蒙古语：Чонос），为一蒙古部落,又可写作丑奴。能在卡尔梅克共和国、布里亚特、蒙古国与内蒙古找到。是一个很古老的部落，很早加入成吉思汗。

根据拉施德丁说法，最早的蒙古人由两男两女繁衍出来，孛儿帖赤那就是其中一人，这部落应该来自她。这部可在蒙古国达尔汗找到。

Chonos, one of the Mongolian tribes, can be found in Kalmykia, Buryatia, and the Irkutskaya province in the Russian Federation, and also in Mongolia and the People's Republic of China. The name of the tribe translates as "wolves" or "wolf's", and it is one of the most ancient Mongolian tribes. It is famous as a first tribe which joined Genghis Khan.