Bajč (Hungarian: Bajcs, Hungarian pronunciation:[ˈbɒjtʃ]) is a village and municipality in the Komárno District in the Nitra Region of south-west Slovakia.

The village lies at an altitude of 121 metres and covers an area of 36.476 km (14.08 sq mi). It has a population of about 1,240 people.

In the 9th century, the territory of Bajč became part of the Kingdom of Hungary. In historical records the village was first mentioned in 1312. After the Austro-Hungarian army disintegrated in November 1918, Czechoslovak troops occupied the area, later acknowledged internationally by the Treaty of Trianon. Between 1938 and 1945 Bajč once more became part of Miklós Horthy's Hungary through the First Vienna Award. From 1945 until the Velvet Divorce, it was part of Czechoslovakia. Since then it has been part of Slovakia.

The village is about 58% Hungarian, 40% Slovak and 2% Romany.

The records for genealogical research are available at the state archive in Nitra (Slovak: Štátny archív v Nitre).

• Roman Catholic church records (births/marriages/deaths): 1827-1895 (parish A)
• Reformated church records (births/marriages/deaths): 1795-1942
• Census records 1869 of Bajc are available at the state archive.

• List of municipalities and towns in Slovakia

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

• https://web.archive.org/web/20080216163414/http://www.ocubajc.sk/
• Surnames of living people in Bajc