Tamyneoi (Greek: Ταμυνέοι, before 2001: Ταμιναίοι - Taminaioi, 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. The municipal unit has an area of 203.971 km. The seat of the municipality was in Aliveri. The name reflects that of the ancient city of Tamynae.

Subdivisions

The municipal unit Tamyneoi is subdivided into the following communities (constituent villages in brackets):

• Agios Ioannis (Agios Ioannis, Akti Nireos)
• Agios Loukas (Agios Loukas, Paramerites, Prinias)
• Aliveri (Aliveri, Anthoupoli, Katakalos, Latas, Milaki)
• Gavalas
• Partheni (Partheni, Panagia)
• Prasino (Prasino, Panagitsa Pounta)
• Tharounia
• Trachili

Historical population

Year	Population
2001	9,764
2011	8,986
2021	8,581