The Museo de Iloko,, is a heritage building and museum located in Agoo, La Union, Philippines, known for its collection of "artifacts and other pieces of cultural importance to the Ilocanos", and for being one of few surviving examples of American Colonial Era architecture in the Ilocos Region.

Agoo, officially the Municipality of Agoo, is a 1st class municipality in the province of La Union, Philippines. According to the 2020 census, it has a population of 66,028 people.