Tubao is a fourth class municipality in the province of La Union, Philippines. According to the 2010 census, it has a population of 26,993 people.
Formerly known as the "Home of the Native Tobacco", Tubao was famous for its tobacco leaf and cigars. It had a tobacco trade for decades where its town center was littered by huge tobacco warehouses and trading posts for tobacco. Today, corn is its prime agricultural output where Chichacorn is among its by-products.
The town has an average annual income of PHP 42,803,624 pesos.