- This is about the former political party in Spain; there was also a Republican Union party in Puerto Rico.
The Republican Union Party
were a centrist
political party in Spain
led by Diego Martinez Barrio
, formed as a split from the Radical Party
. In 1936
led them into the Spanish Popular Front
, a collection of left-wing political parties brought together for the purpose of contesting the 1936 election. The Popular Front
won the election with many of their representatives in the Cortes
coming from the Republican Union Party.