Robaina is a surname. Notable people with the surname include:
Alejandro Robaina (1919–2010), Cuban tobacco growerJulio Robaina, the current mayor of Hialeah, FloridaJulio Robaina (legislator), State Representative from the state of FloridaJulio Robaina (state representative), State Representative from the state of FloridaRoberto Robaina (born 1956), the Foreign Minister of Cuba from 1993 until 1999