Brasil

Belo Horizonte
Bertioga (Itatinga
)
Brasilia
Campinas (closed)
Campos do Jordao
Curtiba
Fortaleza
Goiania
Macapá
Maceio
Natal
Piracicaba
Piraju
Pocos de Caldas

Porte Allegre
Recife
Rio de Janeiro
Salvador

Santos
São Carlos

Sao Paulo
Goiania
metro planned

According to this site, a 12.4 km subway system is planned and awaiting approval from the World Bank in February 2003. Some are concerned that the bank will only loan Goiania the money if they already have it, which would mean, of course, that they didn't need it.

Newspaper article