Alexandru I may refer to:
*
Alexander the Good (Voivode of Moldavia between 1400 and 1432)
*
Alexandru I Aldea
Alexander I Aldea (1397 – December 1436) was a Voivode of Wallachia
Wallachia or Walachia (; ro, Țara Românească, lit=The Romanian Land' or 'The Romanian Country, ; archaic: ', Romanian Cyrillic alphabet: ) is a historical and geograp ...
(1397–1436)
{{hndis, Alexandru 01