Küçükkuyu is a town (belde) in the Ayvacık District, Çanakkale Province, Turkey.

[1] Küçükkuyu is a coastal town on the north shore of the Edremit Gulf of the Aegean Sea.

According to legend, Zeus watched the battle of Troy from an altar near Küçükkuyu and Aphrodite discovered a source of healing water in Küçükkuyu.

[3] The present settlement was founded by Yörüks (nomadic Turkmens) and later Turkish refugees from Balkan countries also settled in Küçükkuyu.

The original economic activity of Küçükkuyu was olive agriculture and fishing.