Ján Greguš
Ján Greguš is the name of the following people:
- Ján Greguš (singer) (* 1951), Slovak singer, composer and lyricist
- Ján Greguš (soccer player, 1960) (* 1960), Slovak soccer player and coach
- Ján Greguš (soccer player, 1991) (* 1991), Slovak soccer player