| Ondřej Ertl | |
| Residence: | Prague, Czech Republic |
| Birth Date: | 22 July 1987 |
| Birth Place: | Klatovy, Czech Republic |
| Weight: | 74kg (163lb) |
| Turnedpro: | 2005 |
| Retired: | Active |
| Racquet: | Oliver |
| Event: | Men's singles |
| Highest Ranking: | No. 164 |
| Date Of Highest Ranking: | May 2013 |
| Current Ranking: | No. 172 |
| Date Of Current Ranking: | June 2013 |
| Updated: | June 2013 |
Ondřej Ertl (born 22 July 1987 in Klatovy) is a professional squash player who represented Czech Republic. He reached a career-high world ranking of World No. 164 in May 2013.[1] [2] [3]