Šaľa (Slovak: [ˈʃaʎa], locally [ˈʃala] ⓘ; Hungarian: Vágsellye, German: Schelle) is a town in Šaľa District within Nitra Region in south-western Slovakia.

Besides the town itself, it also includes the settlements of Hetméň and Veča on the left and right banks of the river respectively.

Šaľa was also ruled by Ottomans between 1663 and 1686 as part of Uyvar Eyalet.

The railway, built in 1850 between Vienna and Budapest speeded development in Šaľa.

Šaľa became part of Slovakia on 1 January 1993 when Czechoslovakia was formally dissolved.