| 70th Champion Hurdle | |
| Horse Race: | Champion Hurdle |
| Location: | Cheltenham Racecourse |
| Date: | 16 March 1999 |
| Winning Horse: | Istabraq (IRE) |
| Winning Jockey: | Charlie Swan |
| Winning Trainer: | Aidan O'Brien (IRE) |
| Winning Owner: | J. P. McManus |
| Previous: | 1998 |
| Next: | 2000 |
The 1999 Champion Hurdle was a horse race held at Cheltenham Racecourse on Tuesday 16 March 1999. It was the 70th running of the Champion Hurdle.
The winner for the second consecutive year was J. P. McManus's Istabraq, a seven-year-old gelding trained in Ireland by Aidan O'Brien and ridden by Charlie Swan.
Istabraq started the 4/9 favourite and won by three and a half lengths from his stable companion Theatreworld, who had also finished runner-up in the previous two years, with the leading British hurdler French Holly in third place. Twelve of the fourteen runners completed the course.[1]
| Pos. | Marg. | Horse (bred) | Age | Jockey | Trainer (Country) | Odds | |
| 1 | Istabraq (IRE) | 7 | Charlie Swan | Aidan O'Brien (IRE) | 4/9 fav | ||
| 2 | 3½ | Theatreworld (IRE) | 7 | Tommy Treacy | Aidan O'Brien (IRE) | 16/1 | |
| 3 | 2½ | French Holly (USA) | 8 | Andrew Thornton | Ferdy Murphy (GB) | 11/2 | |
| 4 | 1 | Mister Morose (IRE) | 9 | Carl Llewellyn | Nigel Twiston-Davies (GB) | 100/1 | |
| 5 | 1¼ | Nomadic (GB) | 5 | Paul Carberry | Noel Meade (IRE) | 50/1 | |
| 6 | 2 | Tiutchev (GB) | 6 | Mick Fitzgerald | David Nicholson (GB) | 40/1 | |
| 7 | ½ | Bellator (FR) | 6 | Norman Williamson | Venetia Williams (GB) | 50/1 | |
| 8 | 13 | City Hall (IRE) | 5 | Robert Thornton | Val Ward (GB) | 33/1 | |
| 9 | 3 | Lady Cricket (FR) | 5 | A. P. McCoy | Martin Pipe (GB) | 16/1 | |
| 10 | 4 | Midnight Legend (GB) | 8 | Tony Dobbin | David Nicholson (GB) | 50/1 | |
| 11 | 14 | Grey Shot (GB) | 7 | Jamie Osborne | Ian Balding (GB) | 33/1 | |
| 12 | 17 | Upgrade (GB) | 5 | Chris Maude | Nigel Twiston-Davies (GB) | 66/1 | |
| Fell | Zafarabad (IRE) | 5 | Richard Johnson | David Nicholson (GB) | 40/1 | ||
| BD | Blowing Wind (FR) | 6 | Richard Dunwoody | Martin Pipe (GB) | 33/1 |
Further details of the winner, Istabraq