Taminaioi (Greek: Ταμιναίοι from Ancient Greek: Τάμυναι/Ταμῦναι Tamynai (Latin: Tamynae) or Τάμυνα/Τάμινα Tamyna/Tamina) is a former municipality of the island of Euboea, Greece. Since the 2011 local government reform it is part of the municipality Kymi-Aliveri, of which it is a municipal unit.