1980 2. deild karla
The 1980 season of 2. deild karla was the 15th season of third-tier football in Iceland.
Group A
| Pos | Team | Played | Points | Notes |
| 1 | Reynir S. | 12 | 22 | Advanced to final round |
| 2 | Leiknir R. | 12 | 17 | - |
| 3 | ÍK | 12 | 14 | - |
| 4 | Léttir | 12 | 13 | - |
| 5 | Óðinn | 12 | 8 | - |
| 6 | Katla | 12 | 6 | - |
| 7 | Hekla | 12 | 4 | - |
Group B
| Pos | Team | Played | Points | Notes |
| 1 | Grindavík | 12 | 19 | Advanced to final round |
| 2 | Víðir | 12 | 17 | - |
| 3 | Njarðvík | 12 | 15 | - |
| 4 | Afturelding | 12 | 14 | - |
| 5 | Grótta | 12 | 11 | - |
| 6 | Stjarnan | 12 | 6 | - |
| 7 | Hamar | 12 | 4 | - |
Group C
| Pos | Team | Played | Points | Notes |
| 1 | Skallagrímur | 10 | 15 | Advanced to final round |
| 2 | HÞV | 10 | 14 | - |
| 3 | Bolungarvík | 10 | 12 | - |
| 4 | Víkingur Ó. | 10 | 11 | - |
| 5 | Snæfell | 10 | 8 | - |
| 6 | Reynir H. | 10 | 0 | - |
Group D
| Pos | Team | Played | Points | Notes |
| 1 | HSÞ-b | 8 | 12 | Advanced to final round |
| 2 | KS | 8 | 10 | - |
| 3 | Magni | 8 | 7 | - |
| 4 | Árroðinn | 8 | 7 | - |
| 5 | Leiftur | 8 | 4 | - |
Group E
| Pos | Team | Played | Points | Notes |
| 1 | Tindastóll | 8 | 16 | Advanced to final round |
| 2 | Reynir Á. | 8 | 11 | - |
| 3 | Dagsbrún | 8 | 6 | - |
| 4 | Ungmennasamband Austur-Húnvetninga | 8 | 5 | - |
| 5 | Efling | 8 | 2 | - |
Group F
| Pos | Team | Played | Points | Notes |
| 1 | Einherji | 12 | 21 | Advanced to final round |
| 2 | Sindri | 12 | 13 | - |
| 3 | Huginn | 12 | 12 | - |
| 4 | Hrafnkell Freysgoði | 12 | 12 | - |
| 5 | Leiknir F. | 12 | 8 | - |
| 6 | Súlan | 12 | 9 | - |
| 7 | Valur Reyð. | 12 | 6 | - |