Lake Tytyl (Ozero Tytyl) is a lake of Bilibinsky District, Chukotka Autonomous Okrug, Russia.

Geography The lake has a basin area of . River Tytylvaam flows from it.Russian State Water Register - Lake Tytyl It is located east of Lake Ilirney, at the feet of the southern slopes of the Ilirney Range, in the upper reaches of the Maly Anyuy River, 55 km from Ilirney village. Its name originated in the Chukchi word for "entrance gate".Leontyev VV & Novikov KA, Toponymic Dictionary of the Northeastern USSR. Magadan Publishing House, Magadan 1989, p 374

See also List of lakes of Russia References