Latvijas Banka
/ The Bank of Latvia
is the central bank.
Danske Banka
DnB NORD
Banka / Luminor
Evli Bank
Handelsbanken
Hipoteku banka
/ Mortgage And Land Bank
Parex Banka
PrivatBank
Rietumu Banka
Sampo
Banka
SEB banka
SwedBank
Bankas.Lv
seems to be some kind of comparison site for Latvian banks.
International Banking And Credit