Opiná (Hungarian: Sárosófalu) 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 1418.
The village lies at an altitude of 367 metres and covers an area of 11.953 km2.It has a population of about 180 people.
The population is entirely Slovak in ethnicity.
The village has a small public library and a general store.