Dupaningan Agta (Dupaninan Agta), or Eastern Cagayan Agta, is a language spoken by a semi-nomadic hunter-gatherer Negrito people of Cagayan and Isabela provinces in northern Luzon, Philippines.

Its Yaga dialect is only partially intelligible.

[2] Robinson (2008) reports Dupaningan Agta to be spoken by a total of about 1,400 people in about 35 scattered communities, each with 1-70 households.

[1] Ethnologue reports Yaga, Tanglagan, Santa Ana-Gonzaga, Barongagunay, Palaui Island, Camonayan, Valley Cove, Bolos Point, Peñablanca, Roso (Southeast Cagayan), Santa Margarita as dialects of Dupaningan Agta.

/a, e/ have lax allophones of [ə, ɛ].