Dlhá Ves (Hungarian: Gömörhosszúszó) is a village and municipality in the Rožňava District in the Košice Region of eastern Slovakia.

In historical records the village was first mentioned in 1332. Before the establishment of independent Czechoslovakia in 1918, Dlhá Ves was part of Gömör and Kishont County within the Kingdom of Hungary. From 1938 to 1944, it was again part of Hungary as a result of the First Vienna Award.

The village lies at an altitude of 330 metres and covers an area of 10.760 km. It has a population of about 600 people.

The village has a small public library and a football pitch.

The records for genealogical research are available at the state archive "Statny Archiv in Banska Bystrica, Kosice, Slovakia"

• Roman Catholic church records (births/marriages/deaths): 1852-1896 (parish B)
• Reformed Church records (births/marriages/deaths): 1701-1895 (parish B)

• List of municipalities and towns in Slovakia

• Dlhá Ves
• https://web.archive.org/web/20071116010355/http://www.statistics.sk/mosmis/eng/run.html

48°30′N 20°26′E / 48.500°N 20.433°E / 48.500; 20.433