Montalban is a municipality in the province of Rizal located on Luzon in the Philippines. It is the northernmost town in the province and comes after San Mateo, coming from Metro Manila. The town is located on the slopes of the Sierra Madre (Philippines) mountain range and features many resorts.

The legend of Bernardo Carpio is said to have happened in the mountains of Montalban. The legend tells the story of a giant trapped between two mountains.