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 260 metres (850 ft) and covers an area of 3.52 km (2.19 mi).

It has a population of 160 people.

This Košice-okolie District geography article is a stub.