Ján
Ján is a Slovak form of the name John.- Ján Bahýľ, inventor
- Ján Čapkovič, football player
- Ján Čarnogurský, former Prime Minister of Slovakia
- Ján Cikker, composer
- Ján Ďurica, football player
- Ján Figeľ, European Commissioner
- Ján Golian, soldier, military leader of Slovak National Uprising
- Ján Hollý, poet and translator
- Ján Kadár, film director
- Ján Kocian, football player
- Ján Kollár, writer
- Ján Kožiak, football player
- Ján Lašák, ice-hockey goalkeeper
- Ján Lunter, Slovak politician
- Ján Mucha, Slovak footballer
- Ján Packa, handball player
- Ján Slota, politician
- Ján Šťastný , Slovak hockey player
- Ján Svorada, cyclist
- Ján Zvara, high jumper
Other
- Liptovský Ján, village and municipality in Slovakia
