San Luis, officially the Municipality of San Luis (; ), is a municipality in the province of Pampanga, Philippines. According to the , it has a population of people.
San Luis is politically subdivided into 17 barangays, as shown below. Each barangay consists of puroks and some have sitios.
In the 2024 census, the population of San Luis was 64,674 people, with a density of .
Like other municipalities and cities in Pampanga, its people are mostly Kapampangan.
Roman Catholicism remains the predominant faith of the townsfolk. Other Christian denominations, such as Iglesia ni Cristo, the United Methodist Church, Members Church of God International, Evangelicals, Ang Iglesia Metodista sa Pilipinas, Baptists, and Born Again Christianity can be found in the municipality.
Transportation, trade and commerce in San Luis is concentrated at the town center where the public market, cockpit, municipal hall, church, schools, hospital, clinics, and commercial spaces are situated.
The municipal government is divided into three branches: executive, legislative and judiciary. The executive branch is composed of the mayor and the barangay captains for the barangays. The legislative branch is composed of the Sangguniang Bayan (town assembly), Sangguniang Barangay (barangay council), and the Sangguniang Kabataan for the youth sector. The judicial branch is administered solely by the Supreme Court of the Philippines.
The current mayor of San Luis, Dr. Jayson S. Sagum or also known as Dr. J, and the vice mayor is Mon A. Sagum.
Its façade can compare immeasurably with existing Spanish-style church edifices and architectural design. The church is located in a place that used to be called Cabagsac, referring to the proliferation of fruit bats. In fact, today, a fishnet is permanently installed high above the altar precisely to catch thousands of bats that are roosting inside the church. There is an ancient cemetery located in a hidden corner at the back of the church, with some tombstones dating back to the 1800s and bearing the names of the town's prominent families, including the Elizaldes, Ablazos, Francos, Tarucs, among others.
The San Luis Schools District Office governs all educational institutions within the municipality. It oversees the management and operations of all private and public, from primary to secondary schools.