Okutsu, Okayama

 was a town located in Tomata District, Okayama Prefecture, Japan.
As of 2003 (before the merger), the village had an estimated population of 1,732 and a density of 13.24 persons per km². The total area was 130.83 km².
On March 1, 2005, Okutsu, along with the villages of Kamisaibara and Tomi (all from Tomata District), was merged into the expanded town of Kagamino.