| Ladislav Onofrej | |
| Birth Date: | 20 September 1977 |
| Birth Place: | Košice, Czechoslovakia |
| Height: | 1.80 m |
| Position: | Midfielder |
| Years1: | 1995–1998 |
| Years2: | 1998–2001 |
| Years3: | 2001–2004 |
| Years4: | 2004–2005 |
| Years5: | 2005–2010 |
| Years6: | 2010–2013 |
| Years7: | 2013–2016 |
| Clubs5: | Sigma Olomouc |
| Clubs6: | 1. HFK Olomouc |
| Clubs7: | SV Spitz/Donau |
| Caps2: | 40 |
| Caps3: | 87 |
| Caps4: | 25 |
| Caps5: | 100 |
| Caps7: | 105 |
| Totalcaps: | 357 |
| Goals2: | 1 |
| Goals3: | 17 |
| Goals4: | 2 |
| Goals5: | 6 |
| Goals7: | 59 |
| Totalgoals: | 85 |
| Manageryears1: | 2015–2019 |
| Managerclubs1: | Sigma Olomouc (Assistant) |
| Pcupdate: | 6 May 2010 |
Ladislav Onofrej (born 20 September 1977 in Košice) is retired Slovak footballer who played as a midfielder.