Onağıl is a neighborhood in Çatak District, in Van Province, Türkiye. Onağıl lies at 2,165 m above sea level, in the İhtiyarşahap Dağı mountains. It has 406 inhabitants. The nearest city is Edremit, 22 km to the north. Among the landmarks around are Çavuştepe (23 km), Van Fortress (31 km) and Tushpa (31 km).