Močenok (Hungarian: Mocsonok) is a village and municipality in Šaľa District, in the Nitra Region of south-west Slovakia.

The name is derived from Slavic mučeník – a martyr and is probably related to the cult of Saint Clement of Rome (a patron of the local church) whose relics were brought through Great Moravia to the Rome by Saint Cyril.

[4] The village was renamed to Mučníky in 1948, to Sládečkovce in 1951 (after a victim of a farmer strike from 1922) and returned to the original name in 1992.

The village lies at an altitude of 141 metres and covers an area of 46.39 km2.

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