Kompletní výsledky závodníků GP 250 ccm roku 1980. Mistrem světa se stal Anton Mang na motocyklu Kawasaki, druhý byl Kork Ballington a třetí Jean-François Baldé.
Celkové pořadí jezdců GP 250 ccm 1980
| Poz. | Jméno | Číslo | Národnost | Motocykl | Body | Vítězství |
| 1 |  Anton Mang |
6 | West Germany | Kawasaki | 128 | 4 |
| 2 |  Kork Ballington |
1 | South Africa | Kawasaki | 87 | 5 |
| 3 |  Jean-François Baldé |
8 | France | Kawasaki | 59 | 0 |
| 4 | Thierry Espié |
France | Yamaha | 53 | 0 | |
| 5 |  Roland Freymond |
10 | Switzerland | Morbidelli | 46 | 0 |
| 6 |  Carlos Lavado |
Venezuela | Yamaha | 29 | 1 | |
| 7 |  Gianpaolo Marchetti |
Italy | Yamaha | 28 | 0 | |
| 8 | Jacques Cornu |
Switzerland | Yamaha | 26 | 0 | |
| 9 | Eric Saul |
France | Yamaha | 24 | 0 | |
| 10 | Patrick Fernandez |
5 | France | Yamaha | 16 | 0 |
| 11 | Edi Stoellinger | 16 | ||||
| 12 | Hans Müller | 16 | ||||
| 13 | Sauro Pazzaglia | 12 | ||||
| 14 | Graeme McGregor | 12 | ||||
| 15 | Pier Luigi Conforti | 10 | ||||
| 16 | Jean-Louis Guignabodet | 9 | ||||
| 17 | Didier de Radiguès | 8 | ||||
| 18 | Eero Hyvärinen | 8 | ||||
| 19 | Clive Horton | 7 | ||||
| 20 | Paolo Ferretti | 7 | ||||
| 21 | Greame Geddes | 6 | ||||
| 22 | R.Sibille | 6 | ||||
| 23 | Steve Tonkin | 5 | ||||
| 24 | Jacques Bolle | 5 | ||||
| 25 | Herbert Hauf | 4 | ||||
| 26 | A.Gouin | 4 | ||||
| 27 | Reinhold Roth | 4 | ||||
| 28 | Walter Villa | 4 | ||||
| 29 | Charlie Williams | 2 | ||||
| 30 | Martin Wimmer | 2 | ||||
| 31 | Marco Papa | 1 | ||||
| 32 | Jean-Louis Tournadre | 1 | ||||
| 33 | Rene Delaby | 1 | ||||
| 34 | F.Marcheggiani | 1 | ||||
| 35 | Tony Rogers | 1 | ||||
| 36 | H.Tomic | 1 |
- Zdroj: https://en.wikipedia.org
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- kurzíva = nejrychlejší kolo závodu
- výsledek tučně = poleposition
- Ret = nedokončil závod (retired)
- NC = neklasifikován (non-classified)
- C = závod zrušen (cancelled)
- EX = vyloučen (excluded)
- DNS = nenastoupil do závodu (did not start)
- DSQ = diskvalifikován (disqualified)
- DNQ = nekvalifikoval se (did not qualified)
- DNP = nezúčastnil se (did not participate)
- WD = výsledek anulován (withdrew)
