The Padre Diego Cera Avenue, or simply Diego Cera Avenue, is a major north-south collector road in Las Piñas, southern Metro Manila, Philippines. It is a four-lane undivided arterial running parallel to the Manila–Cavite Expressway to the west from Manuyo Uno at Las Piñas' border with Parañaque in the north to Zapote near the border with Bacoor, Cavite in the south. It is a continuation of Elpidio Quirino Avenue from Parañaque and was originally a segment of Calle Real in Las Piñas. The road is a component of the National Route 62 (N62) of the Philippine highway network and Radial Road 2 (R-2) of Manila's arterial road network. It was previously designated as N1 on the old route numbering system.