Jan Hernych
| Country (sports) | Czech Republic |
|---|---|
| Residence | Prague, Czech Republic |
| Born | 7 July 1979 Prague, Czechoslovakia |
| Height | 1.90 m (6 ft 3 in) |
| Turned pro | 1998 |
| Retired | 2018 |
| Plays | Right-handed (two-handed backhand) |
| Prize money | $2,179,237 |
| Singles | |
| Career record | 79–118 |
| Career titles | 0 |
| Highest ranking | No. 59 (27 April 2009) |
| Grand Slam singles results | |
| Australian Open | 3R (2011) |
| French Open | 2R (2005) |
| Wimbledon | 2R (2005, 2007, 2014) |
| US Open | 2R (2006, 2009) |
| Doubles | |
| Career record | 22–25 |
| Career titles | 1 |
| Highest ranking | No. 70 (12 June 2006) |
| Grand Slam doubles results | |
| Australian Open | QF (2006) |
| French Open | 2R (2006, 2009) |
| Wimbledon | 2R (2005, 2006) |
| US Open | 3R (2005) |
| Last updated on: 2 May 2021. | |
Jan Hernych (born 7 July 1979) is a Czech former professional tennis player and tennis coach. Hernych turned professional in 1998 and achieved his career-high singles ranking of world No. 59 in April 2009. He won one doubles title on the ATP Tour and was runner-up in 's-Hertogenbosch in 2006.
Hernych now acts as a coach to the Czech tennis player and Wimbledon champion Markéta Vondroušová, alongside Jiří Hřebec.