| Costești | |
|---|---|
| Commune | |
| Country | 
 | 
| County | Iași County | 
| Time zone | EET (UTC+2) | 
| • Summer (DST) | EEST (UTC+3) | 
Costești is a commune in Iași County, Romania. It is composed of two villages, Costești and Giurgești. These belonged to Târgu Frumos town until 2004, when they were split off to form a separate commune.
Coordinates: 47°14′N 26°56′E / 47.233°N 26.933°E