The Democratic Union (Greek: Δημοκρατική Ένωση) or Democratic Union Party (Greek: Κόμμα Δημοκρατικής Ενώσεως) was a political party in Greece, founded by the prominent liberal and republican politician Alexandros Papanastasiou. ^[1]

The party first contested national elections in 1923,^[2] when they ran on a joint platform with the Democratic Liberals faction of the Liberal Party, winning 120 seats, becoming the second largest faction after the ruling Liberal Party.^[3] The party ran alone in the 1926 parliamentary elections, receiving 6.5% of the vote and winning 17 seats, becoming the fourth-largest party in the Hellenic Parliament.^[4]

In 1929 the party was renamed the Agricultural and Labour Party. ^[5]