Secu | |
|---|---|
  Secu Location in Romania | |
| Coordinates: 44°29′N 23°18′E / 44.483°N 23.300°E | |
| Country | Romania |
| County | Dolj |
| Population (2021-12-01)[1] | 1,041 |
| Time zone | EET/EEST (UTC+2/+3) |
| Vehicle reg. | DJ |
Secu is a commune in Dolj County, Oltenia, Romania with a population of 1,400 people. It is composed of four villages: Comănicea, Secu, Smadovicioara de Secu and Șumandra.