Iwaak (also spelled I-wak or I'wak) is a South-Central Cordilleran language spoken by almost 3,300 people around the Cordillera Central mountain range of Luzon, Philippines. It is a Pangasinic language which makes it closely related to Pangasinan, one of the regional languages in the country, with around 1.2 million speakers.

Iwaak
I-wak
Native to	Philippines
Region	Luzon
Native speakers	3,300 (2000)[1]
Language family	Austronesian Malayo-Polynesian Philippine Northern Luzon Meso-Cordilleran Southern Cordilleran West Southern Cordilleran Nuclear Southern Cordilleran Ibaloy Iwaak
Language codes
ISO 639-3	iwk
Glottolog	iwak1237
Area where Iwaak is spoken according to Ethnologue

According to Ethnologue, in eastern Itogon municipality, Benguet Province, I-wak is spoken in Tojongan, Bakes, Lebeng, Domolpos, Bujasjas, and Kayo-ko villages. It is also spoken in Salaksak village, Kayapa municipality, Nueva Vizcaya Province.