Botolan, officially the Municipality of Botolan, is a 1st class municipality in the province of Zambales, Philippines. According to the 2020 census, it has a population of 66,739 people.
The municipality was founded by Spanish Governor-General Juan de Salcedo in 1572. Botolan is known for its larger Aeta population, wide gray sand beaches, and as the location of Mount Pinatubo.