| Birth Date: | 24 March 1928 |
| Birth Place: | Romelanda, Sweden |
| Death Date: | [1] |
| Sport: | Rowing |
| Club: | Roddklubben Three Towns |
| Show-Medals: | yes |
Ivar Mauritz Aronsson (24 March 1928 - 6 February 2017) was a Swedish rower who competed in the 1956 Summer Olympics. He won a silver medal in the coxed fours and finished fourth in the eights competition. He won two silver medals in these events at the 1955 European Championships.