| Eysteinn Þórðarson | |
| Nationality: | Icelandic |
| Sport: | Alpine skiing |
| Birth Date: | 3 March 1934 |
| Birth Place: | Ólafsfjörður, Iceland |
| Death Place: | Angels Camp, California, United States |
Eysteinn Þórðarson (3 March 1934 - 24 December 2009) was an Icelandic alpine skier. He competed at the 1956 Winter Olympics and the 1960 Winter Olympics.[1]