| Subdivision Type: | Country |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Official Name: | Körösszegapáti |
| Other Name: | Apateu |
| Subdivision Type1: | County |
| Subdivision Name1: | Hajdú-Bihar |
| Area Total Km2: | 45.85 |
| Population As Of: | 2015 |
| Population Total: | 1012[1] |
| Population Density Km2: | 22.1 |
| Postal Code Type: | Postal code |
| Postal Code: | 4135 |
| Area Code: | 54 |
Körösszegapáti (Romanian; Moldavian; Moldovan: Apateu) is a village in Hajdú-Bihar County, in the Northern Great Plain region of eastern Hungary.
It covers an area of 45.850NaN0 and has a population of 1012 people (2015).