The Cagayan Valley languages are a group of languages spoken in the Philippines. They are:
Cagayan Valley Isnag Bayag Calanasan Dibagat-Kabugao Karagawan Talifugu-Ripang Ibanagic Adasen Eastern Addasen Western Addasen Atta Faire Atta Pamplona Atta Pudtol Atta Ibanag North Ibanag South Ibanag Malaweg Gaddangic Central Cagayan Agta Itawit Yogad Cagayan-Baliwon Gaddang Ga'dang Gaddang
References
Robinson, Laura C. and Jason William Lobel (2013). "The Northeastern Luzon Subgroup of Philippine Languages." Oceanic Linguistics 52.1 (2013): 125–168.