| Frank Dennhardt | |
| Birth Date: | 6 December 1967 |
| Birth Place: | Darmstadt, West Germany |
| Plays: | Left-handed |
| Careerprizemoney: | $37,907 |
| Singlesrecord: | 0–4 |
| Singlestitles: | 0 |
| Highestsinglesranking: | No. 220 (14 November 1988) |
| Frenchopenresult: | 1R (1989) |
| Doublesrecord: | 0–1 |
| Doublestitles: | 0 |
| Highestdoublesranking: | No. 426 (24 April 1989) |
Frank Dennhardt (born 6 December 1967) is a former professional tennis player from Germany.[1]
Dennhardt competed in the men's singles main draw at the 1989 French Open, as a qualifier.[2] He lost in the opening round to Yugoslav player Goran Prpić in straight sets.[2]
Dennhardt won the Bangalore Challenger tournament in 1991.[2]
| width=30 | No. | width=60 | Year | width=140 | Tournament | width=50 | Surface | width=200 | Opponent | Score |
|---|---|---|---|---|---|---|---|---|---|---|
| 1. | 1991 | Bangalore, India | Clay |  Vladimir Gabrichidze | 3–6, 6–4, 6–4 |