1989–90 Courage League
The 1989–90 Courage League was the third season of competitive league rugby union in England. Wasps were the champions, beating Gloucester by just one point. Bedford were relegated.
Participating teams
| Team | Stadium | Capacity | City/Area |
| Bath | Bath | 8,200 | Bath, Somerset |
| Bedford | Goldington Road | 7,000 | Bedford, Bedfordshire |
| Bristol | Memorial Stadium | 12,100 | Bristol, Avon |
| Gloucester | Kingsholm | 11,000 | Gloucester, Gloucestershire |
| Harlequins | The Stoop | 8,500 | Twickenham, London |
| Leicester | Welford Road | 16,000 | Leicester, Leicestershire |
| Moseley | The Reddings | 10,000 | Birmingham, West Midlands |
| Nottingham | Ireland Avenue | 4,950 | Beeston, Nottinghamshire |
| Orrell | Edge Hall Road | 3,000 | Orrell, Greater Manchester |
| Rosslyn Park | The Rock | 2,000 | Roehampton, London |
| Saracens | Bramley Road | 2,000 | Enfield, London |
| Wasps | Repton Avenue | Sudbury, London |