Dumagat literally means "sea-faring" or "person who lives near or frequents the sea" in Philippine languages.

Dumagat may also refer to:

• Dumagat people (also spelled Dumaget), a cover term in some Tagalog dialects for the various Aeta people on and near the Pacific coast of Luzon, Philippines. They mostly dwell in the provinces of Rizal, Bulacan, Nueva Ecija, Quezon, Aurora, Nueva Vizcaya, Isabela, Cagayan, Abra, Camarines Norte, and Camarines Sur. Although they are referred to as "dumagat" by Tagalogs along the Pacific coast of Luzon, the populations in northeastern Luzon refer to themselves as "Agta" (Ancestral Domain 2014, 3; Bennagen 1977, 35), while those between Baler and Infanta refer to themselves as "Dumaget" or "Alta" depending on the ethnolinguistic group to which they belong.
• Dumagat ("coastal people"), an informal term for the Visayan people in Northern Mindanao to contrast them from inland Lumad (indigenous) people. Although the term mostly refers to Visayans (some of whom already lived in certain parts of northern Mindanao prior to the beginning of Spanish colonial rule), it can also refer to other settlers from Ilocandia, Cagayan Valley, Cordillera Administrative Region, Central Luzon, Calabarzon, Mindoro, Marinduque and Bicolandia in Luzon.

• Umiray Dumaget language
• Hatang Kayi language
• Casiguran Dumagat Agta language

• Dinagat (disambiguation)

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