Baďan (earlier also Baďany; Hungarian: Bagyan) is a village and municipality in the Banská Štiavnica District, in the Banská Bystrica Region of Slovakia.

In historical records, the village was first mentioned in 1262. Originally it belonged to the Archbishopric of Esztergom, however King Béla IV gave the village to Bzovík Castle.

The records for genealogical research are available at the state archive in Banská Bystrica (Slovak: Štátny archív v Banskej Bystrici).

• Roman Catholic church records (births/marriages/deaths): 1720-1908
• Lutheran church records (births/marriages/deaths): 1829-1937 (parish A)
• Census records 1869 of Badan are not available at the state archive.

• List of municipalities and towns in Slovakia

• http://www.e-obce.sk/obec/badan/badan.html
• Surnames of living people in Badan