Daniel Köllerer
| ITF name | Daniel Koellerer |
|---|---|
| Country (sports) | Austria |
| Residence | Wels, Austria |
| Born | 17 August 1983 Wels, Austria |
| Height | 1.80 m (5 ft 11 in) |
| Turned pro | 2002 |
| Retired | 2011 (banned) |
| Plays | Right-handed (two-handed backhand) |
| Prize money | $430,086 |
| Singles | |
| Career record | 19–36 |
| Career titles | 0 |
| Highest ranking | No. 55 (19 October 2009) |
| Grand Slam singles results | |
| Australian Open | 1R (2010) |
| French Open | 1R (2009, 2010) |
| Wimbledon | 1R (2009) |
| US Open | 3R (2009) |
| Doubles | |
| Career record | 3–7 |
| Career titles | 0 |
| Highest ranking | No. 87 (9 March 2009) |
| Grand Slam doubles results | |
| US Open | 1R (2009) |
Daniel Köllerer (German pronunciation: [ˈdaːni̯eːl ˈkœləʁɐ, -ni̯ɛl -]; born 17 August 1983) is a former professional tennis player from Austria who turned professional in 2002 and was given a lifetime ban in 2011 for match fixing.