| Birth Date: | 18 October 1886 |
| Birth Place: | Stockholm, Sweden |
| Death Place: | Stockholm, Sweden |
Robert Theodor Andersson (18 October 1886 – 2 March 1972) was a Swedish water polo player, diver, and freestyle swimmer who competed in the 1906 Summer Olympics, in the 1908 Summer Olympics, in the 1912 Summer Olympics, and in the 1920 Summer Olympics.[1]
He was part of the Swedish team, which was able to win three consecutive medals. He also competed in several swimming events from 1906 to 1920. In 1906, 1908 and 1912 he also participated in diving competitions.
At club level, Andersson represented Stockholms KK.[1]