Dolná Streda (Hungarian: Alsószerdahely) is a village and municipality in the Galanta District of the Trnava Region of western Slovakia.

In historical records the village was first mentioned in 1283. Before the establishment of independent Czechoslovakia in 1918, it was part of Pozsony County within the Kingdom of Hungary.

The municipality lies at an elevation of 125 metres and covers an area of 13.47 km (5 sq mi). It has a population of about 1410 people.

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

• Roman Catholic church records (births/marriages/deaths): 1717-1895 (parish A)

• List of municipalities and towns in Slovakia

• Official page
• https://web.archive.org/web/20080111223415/http://www.statistics.sk/mosmis/eng/run.html
• Surnames of living people in Dolna Streda