Ilgaz is a town in Çankırı Province in the Central Anatolia region of Turkey.
Ilgaz may also refer to:
Ilgaz District, Çankırı Province Ilgaz Mountains, mountain range in northwestern Anatolia, between Çankırı and Kastamonu Provinces Abdullah Ilgaz (born 1998), Turkish para-athlete Faruk Ilgaz (1922–2014), Turkish politician Rıfat Ilgaz (1911–1993), Turkish poet