was a district located in Tokushima Prefecture, Japan.
As of 2003, the district had an estimated population of 46,231 and a density of 320.63 persons per km<sup>2</sup>. The total area was .
Towns and villages
- Kamojima
- Kawashima
- Misato
- Yamakawa
Merger
- On October 1, 2004 - the towns of Kamojima, Kawashima and Yamakawa, and the village of Misato were merged to create the city of Yoshinogawa. Therefore, Oe District was dissolved as a result of this merger.