Fernão Ferro is a civil parish, in the municipality of Seixal in the district of Setúbal, Portugal.

It is part of the Lisbon metropolitan area.

The population in 2011 corresponded to 17 059,[1] in an area of 24.13 km².

[2] The parish was created on June 1, 1993 from separating from the parishes of Aldeia de Paio Pires, Amora and Arrentela.