Alberto João Ferreira Louzeiro (born 22 November 1982 in Santiago do Cacém) is a Portuguese footballer who plays for União Desportiva Recreativa Sambrasense as a defensive midfielder.
In his first decade as a senior, Louzeiro played almost exclusively in the third division in his country, mainly representing Louletano D.C. and S.C. Olhanense.
The sole exception to this was in the 2002–03 season, when he appeared in one game in the second level for another side in Algarve, S.C. Farense (25 minutes against S.C. Salgueiros, 0–2 away loss).
In late January 2012, aged nearly 30, Louzeiro moved abroad for the first time, signing for Aris Limassol F.C.
Louzeiro joined Bulgaria's PFC Beroe Stara Zagora on 21 May 2012, on a two-year deal.