| Country: | Iceland |
| Previous Election: | 1978 |
| Election Date: | 2 and 3 December 1979 |
| Next Election: | 1983 |
| Seats For Election: | All 40 seats in the Lower House and 20 seats in the Upper House of Althing |
| Turnout: | 89.34% |
| Heading1: | Upper House |
| Heading5: | Lower House |
| Leader1: | Geir Hallgrímsson |
| Leader5: | Geir Hallgrímsson |
| Party1: | Independence Party (Iceland) |
| Party5: | Independence Party (Iceland) |
| Last Election1: | 6 |
| Last Election5: | 14 |
| Seats1: | 7 |
| Seats5: | 14 |
| Percentage1: | 35.42 |
| Percentage5: | 35.42 |
| Leader6: | Steingrímur Hermannsson |
| Party2: | Progressive Party (Iceland) |
| Party6: | Progressive Party (Iceland) |
| Last Election2: | 4 |
| Last Election6: | 8 |
| Seats2: | 6 |
| Seats6: | 11 |
| Percentage2: | 24.94 |
| Percentage6: | 24.94 |
| Leader3: | Lúdvik Jósepsson |
| Leader7: | Lúdvik Jósepsson |
| Party3: | People's Alliance (Iceland) |
| Party7: | People's Alliance (Iceland) |
| Last Election3: | 5 |
| Last Election7: | 9 |
| Seats3: | 4 |
| Seats7: | 7 |
| Percentage3: | 19.72 |
| Percentage7: | 19.72 |
| Leader4: | Benedikt Gröndal |
| Leader8: | Benedikt Gröndal |
| Party4: | Social Democratic Party (Iceland) |
| Party8: | Social Democratic Party (Iceland) |
| Last Election4: | 5 |
| Last Election8: | 9 |
| Seats4: | 3 |
| Seats8: | 7 |
| Percentage4: | 17.44 |
| Percentage8: | 17.44 |
| Leader9: | Eggert Haukdal |
| Color9: |
|
| Party9: | Independent Voters |
| Party9 Link: | no |
| Last Election9: | new |
| Seats9: | 1 |
| Percentage9: | 1.20 |
| Prime Minister | |
| Before Election: | Benedikt Gröndal |
| Before Party: | Social Democratic Party (Iceland) |
| After Election: | Gunnar Thoroddsen |
| After Party: | Independence Party (Iceland) |
Parliamentary elections were held in Iceland on 2 and 3 December 1979.[1] The Independence Party remained the largest party in the Lower House of the Althing, winning 14 of the 40 seats.[2]
| Constituency | People's Alliance | Social Democratic | Progressive | Independence | Other |
|---|---|---|---|---|---|
| Eastern | 31.22% | 6.00% | 42.94% | 19.84% | 0.00% |
| Northeastern | 15.93% | 13.31% | 43.87% | 20.52% | 6.38% |
| Northwestern | 17.24% | 10.71% | 43.91% | 28.14% | 0.00% |
| Reykjanes | 18.29% | 24.18% | 17.32% | 39.85% | 0.36% |
| Reykjavík | 22.27% | 17.77% | 14.83% | 43.82% | 1.30% |
| Southern | 14.92% | 14.83% | 32.44% | 23.46% | 14.34% |
| Westfjords | 15.03% | 22.10% | 30.60% | 32.27% | 0.00% |
| Western | 16.04% | 15.53% | 37.49% | 30.93% | 0.00% |
| Source: Constituency Level Election Archive |