Svyetlahorsk (, ) or Svetlogorsk (), previously known as Shatsilki until 1961, is a town in Gomel Region, in south-eastern Belarus. It serves as the administrative center of Svyetlahorsk District. It is situated on the Berezina River. In 2019, its population was 67,054. As of 2025, it has a population of 61,812.
Svyetlahorsk is twinned with: