Sinilóan is a 2nd class municipality in the province of Laguna, Philippines. According to the latest census, it has a population of 34,877 people in 6,159 households.
Sinilóan lies between the plains of Sierra Madre Mountain and the Laguna de Bay, it is about 84 kilometres from Manila, passing Manila East Road or Marcos Highway, and about 113 kilometres via the South Luzon Expressway passing the town of Santa Crúz, the capital of the province.
Sinilóan is also a center of education, commerce and transportation, serving towns in eastern Laguna and some towns from the provinces of Quezon and Rizal. The municipality has active business and trade activities.