F.P. Felix Avenue (Filipino: Abenida F.P. Felix), also called by its former name Imelda Avenue (Filipino: Abenida Imelda), is a four-lane major road which connects Marcos Highway to Ortigas Avenue Extension. It is one of the busiest roads in Cainta, Rizal, Philippines. The road is named after Francisco P. Felix, a former mayor of Cainta, served from 1935 until he died in 1980. It also serves as a boundary of Cainta and Pasig. Felix Avenue was highly accessible by jeepneys, taxis, UV express, tricycles, and private vehicles.
This avenue is also on a proposal to become one of the service road segments of Circumferential Road 6, it will be later called "Lower C-6" connecting with Gil Fernando Avenue in Marikina, until the endpoint of "Lower C-6" in Batasan-San Mateo road which junction Commonwealth Avenue (segment of R-7 Road) in Quezon City. Meanwhile, the Southeast Metro Manila Expressway (SEMME) also known as Skyway Stage 4 or C-6 Expressway will be called "Upper C-6".
Sta. Lucia East, Q. Plaza, ICCT College Cainta, Charm Residences, Greenpark Executive Village in Pasig and Karangalan Village in Cainta are the well-known landmarks in this road.