Basco, officially the Municipality of Basco, is a municipality and capital of the province of Batanes, Philippines. According to the 2024 census, it has a population of 9,647 people.
The town is the most populous town in Batanes and is located on Batan Island, the second largest among the Batanes Islands, the northernmost group of islands of the Philippines. The town has a domestic airport, Basco Airport, that serves flights from Manila, Tuguegarao, and Itbayat.