| Zádiel | |
| Other Name: | Szádelő |
| Settlement Type: | Village |
| Subdivision Type: | Country |
| Subdivision Name: | Slovakia |
| Subdivision Type2: | Region |
| Subdivision Name2: | Košice |
| Subdivision Type3: | District |
| Subdivision Name3: | Košice-okolie |
| Pushpin Map: | Slovakia Košice Region#Slovakia |
| Pushpin Relief: | 1 |
| Pushpin Label Position: | top |
| Pushpin Map Caption: | Location of Zádiel in Slovakia |
| Coordinates: | 48.6147°N 20.8328°W |
| Leader Title: | Mayor |
| Leader Name: | Attila Nehoda |
| Established Title: | First mentioned |
| Established Date: | 1317 |
| Area Total Km2: | 3.51[1] |
| Area Total Sq Mi: | 1.36 |
| Elevation M: | 246[2] |
| Elevation Ft: | 807 |
| Population Total: | 152[3] |
| Population Density Km2: | 43.66[4] |
| Population Density Sq Mi: | 16.86 |
| Postal Code Type: | Postal code |
| Postal Code: | 044 02 |
| Area Code: | +421 55 |
| Blank Name: | Car plate |
| Blank Info: | KS |
Zádiel (Hungarian: Szádelő) is a village and municipality in Košice-okolie District in the Kosice Region of eastern Slovakia.
In historical records, the village was first mentioned in 1317.
The village lies at an elevation of and covers an area of . It has a population of 160 people.