Sejkov (Hungarian: Székó) is a village and municipality in the Sobrance District in the Košice Region of east Slovakia.

In historical records the village was first mentioned in 1412.

The village lies at an altitude of 116 metres and covers an area of 7.026 km². It has a population of 203 people.

The village has a public library and a soccer pitch.

• http://en.e-obce.sk/obec/sejkov/sejkov.html
• http://www.statistics.sk/mosmis/eng/run.html Archived 25 September 2006 at the Wayback Machine

48°41′N 22°14′E / 48.683°N 22.233°E / 48.683; 22.233