| Runar Alexandersson | |
| Birth Date: | 28 March 1977 |
| Birth Place: | Smolensk, Russia |
| Height: | 171 cm |
| Weight: | 63 kg |
| Discipline: | MAG |
| Level: | Senior International Elite (Iceland national team) |
| Show-Medals: | yes |
Runar Alexandersson (born 28 March 1977) is an Icelandic male artistic gymnast, representing his nation at international competitions. He participated at the 1996, 2000 and 2004 Summer Olympics.[1] He also competed at world championships, including the 2002 World Artistic Gymnastics Championships in Debrecen, Hungary.[2]