Grupo Desportivo União Ericeirense is a Portuguese association football club, founded in Ericeira, a small parish within Mafra, on 1 December 1921.

The club plays in the second division of the Lisbon Football Association league, holding their home matches at the Campo Henrique Tomás Frade.

[2] It was the only season that the club featured in a national league, aside from two participations in the Taça de Portugal (2004–05 and 2020–21).

In the 2015–16 and 2016–17 seasons, Ericeirense had Portuguese international footballer Matheus Nunes in their squad.

This article about a Portuguese football club is a stub.