Ondrej is a Slovak male given name, equivalent to Andrew. Notable people with the name include:
- Ondrej Duda (born 1994), Slovak football player
- Ondrej Otčenáš (born 1987), Slovak ice hockey player
- Ondrej Nepela (1951–1989), Slovak figure skater
- Ondrej Janík (born 1990), Slovak ice hockey player
- Ondrej Zošiak (born 1990), Slovak ice hockey defenceman
See also
edit- Ondřej, the Czech version of the same name, but is pronounced with a soft "ř"