1991–92 Courage League National Division Three
The 1991–92 Courage League National Division Three was the fifth full season of rugby union within the third tier of the English league system, currently known as National League 1. Each side played one match against the other teams, playing a total of twelve matches each.
Participating teams and locations
| Team | Ground | Capacity | City/Area | Previous season |
| Askeans | Broad Walk | Kidbrooke, London | 6th | |
| Broughton Park | Chelsfield Grove | Chorlton-cum-Hardy, Manchester | 8th | |
| Clifton | Station Road | 2,500 | Cribbs Causeway, Henbury, Bristol | 5th |
| Exeter | County Ground | 5,200 | Exeter, Devon | 4th |
| Fylde | Woodlands | 9,000 | Lytham St Annes, Lancashire | 3rd |
| Headingley | Clarence Field | Kirkstall, Leeds, West Yorkshire | Relegated from Courage League Division 2 | |
| Lydney | Regentsholm | 1,500 | Lydney, Gloucestershire | 11th |
| Otley | Cross Green | 5,000 | Otley, West Yorkshire | Promoted from National 4 North |
| Nuneaton | Harry Cleaver Ground | Nuneaton, Warwickshire | 7th | |
| Redruth | Recreation Ground | 12,000 | Redruth, Cornwall | Promoted from National 4 South |
| Richmond | Athletic Ground | 4,500 | Richmond, London | Relegated from Courage League Division 2 |
| Roundhay | Chandos Park | Roundhay, Leeds West Yorkshire | 9th | |
| Sheffield | Abbeydale Park | 3,200 | Dore, Sheffield, South Yorkshire | 10th |