Oinoi (Greek: Οινόη, before 1927: Όσιανη – Osiani)[2] is a village in Kastoria Regional Unit, Macedonia, Greece.

The 1920 Greek census recorded 824 people in the village, and 841 inhabitants (145 families) were Muslim in 1923.

[3] Following the Greek–Turkish population exchange, Greek refugee families in Osiani were from Pontus (154) in 1926.

[3] The 1928 Greek census recorded 602 village inhabitants.

[3] In 1928, the refugee families numbered 153 (565 people).