Coordinates: 38°53′24″N 09°02′24″W / 38.89000°N 9.04000°W
Alverca do Ribatejo (Portuguese pronunciation: [ɐɫˈvɛɾkɐ ðu ʁiβɐˈtɛʒu]) is a city (cidade) and a former civil parish in the municipality of Vila Franca de Xira, Portugal. In 2013, the parish merged into the new parish Alverca do Ribatejo e Sobralinho.
It covers an area of 17.89 km² and had a population of 31.070 as of 2011, being the biggest city of the municipality of Vila Franca de Xira. It was promoted to city status in 1990. It is a city and a suburb near the Tagus River (rio Tejo), in the Lisbon Metropolitan Area. The aerospace company OGMA - Indústria Aeronáutica de Portugal is based there.