The Kara-Üngkür (Kyrgyz: Кара-Үңкүр), in its lower course Tentaksoy (Uzbek: Tentaksoy, Kyrgyz: Тентек-Сай) is a river in Kyrgyzstan and Uzbekistan.

The river's length is 127 km, and its basin size 4,130 km2.

[2][3] It discharges into the Kara Darya near the town of Kuyganyor, north of Andijan.

It flows along the villages Kyzyl-Üngkür, Oogon-Talaa, Charbak and Bazar-Korgon in Kyrgyzstan,[2] and Paxtaobod in Uzbekistan.

This article related to a river in Kyrgyzstan is a stub.