The Kantegir (Russian: Кантегир; Khakas: Хан-Тигір, romanized: Xan-Tigĕr) is a left tributary of the Yenisey in Siberia, Russia. It begins on the northern slopes of the ridge Saylyg-Khem-Taiga, the Republic of Tyva. It is 209 kilometres long, and has a drainage basin of 5,400 square kilometres.
