| 1999–2000 Allied Dunbar Premiership | |
| Champions: | Leicester Tigers (4th title) |
| Runnersup: | Bath |
| Relegated: | Bedford Blues |
| Matches: | 132 |
| Attendance: | 751784 |
| Prevseason: | 1998–99 |
| Nextseason: | 2000–01 |
The 1999–2000 English Premiership (known as the Allied Dunbar Premiership for sponsorship reasons) was the thirteenth full season of rugby union within the first tier of the English leagues, known as the Premiership.
The league was reduced from fourteen teams to twelve following London Scottish and Richmond both entering administration.
| width=25% | Team | width=25% | Stadium | width=25% | Capacity | width=25% | City/Area |
|---|---|---|---|---|---|---|---|
| Bath | Recreation Ground | 8,200 | Bath, Somerset | ||||
| Bedford | Goldington Road | 6,000 | Bedford, Bedfordshire | ||||
| Bristol | Memorial Stadium | 12,100 | Bristol | ||||
| Gloucester | Kingsholm | 11,000 | Gloucester, Gloucestershire | ||||
| Harlequins | The Stoop | 8,500 | Twickenham, London | ||||
| Leicester Tigers | Welford Road | 16,000 | Leicester, Leicestershire | ||||
| London Irish | The Stoop | 8,500 | Twickenham, London | ||||
| London Wasps | Loftus Road | 18,439 | Shepherd's Bush, London | ||||
| Newcastle Falcons | Kingston Park | 10,000 | Newcastle upon Tyne, Tyne and Wear | ||||
| Northampton Saints | Franklin's Gardens | 10,000 | Northampton, Northamptonshire | ||||
| Sale | Heywood Road | 5,400 | Sale, Greater Manchester | ||||
| Saracens | Vicarage Road | 22,000 | Watford, Hertfordshire | ||||
The season began on 10 September 1999.
Points increased from 2 to 3 for a win after the World Cup in November 1999. This was an attempt to ensure competitive balance in the leagues for teams while they were without their international players.
Note: Flags to the left of player names indicate national team as has been defined under World Rugby eligibility rules, or primary nationality for players who did not earn international senior caps. Players may hold one or more non-WR nationalities.
Source:[1]
| Rank | Player | Club | Points |
|---|---|---|---|
| 1 |  Jarrod Cunningham | London Irish | 324 |
| 2 | Tim Stimpson | Leicester Tigers | 321 |
| 3 | Simon Mannix | Gloucester | 285 |
| 4 |  Thierry Lacroix | Saracens | 280 |
| 5 | Jon Preston | Bath | 182 |
| 6 | Henry Honiball | Bristol | 178 |
| 7 | Jonny Wilkinson | Newcastle Falcons | 163 |
| 8 | Kenny Logan | Wasps | 136 |
| 9 | Jon Callard | Bath | 133 |
| 10 | Alex King | Wasps | 125 |
Source:[2]
