Drňa (Hungarian: Darnya) is a village and municipality in the Rimavská Sobota District of the Banská Bystrica Region of southern Slovakia.
In historical records, the village was first mentioned in 1245 when it was founded (1246 Darna, 1380 Dranya, 1431 Darnia). In the 15th century it belonged to nobles Janosy. In 16th century was attacked by the Turks and in 1566-67 it had to pay them a tribute. From 1938 to 1945 it belonged to Hungary.