Khirlig-oolTuvan (Rare) Means "dirty boy" in Tuvan, from Tuvan хирлиг (khirlig) "dirty" and оол (ool) "son, boy".
Khuren-oolTuvan (Rare) Means "brown boy" in Tuvan, from Tuvan хүрең (khüreñ) meaning "brown" combined with оол (ool) "son, boy".
KobakhovmYakut From Yakut куобах (kuobakh), meaning "rabbit, hare, bunny".
KugasovmYakut From Yakut кугас (kugas), meaning "ginger, reddish-brown".
KutuyakhovmYakut From Yakut кутуйах (kutuyakh), meaning "mouse".
KuularTuvan Derived from Tuvan куу (kuu) meaning "swan" or "gray". Names bearing unfavourable meanings were traditionally used by Tuvans to ward off evil spirits.
Mannay-oolTuvan (Rare) Derived from Tuvan маңнаар (mañnar) meaning "to run" combined with оол (ool) "son, boy".
MongushTuvan Theorised to be derived from Tuvan moon meaning "cohesive, powerful" combined with kush "force". It is also believed to have been Mongolified and Turkified during the reign of Chinggis Khan in the 13th century.