| Birth Date: | 27 March 1890 |
| Birth Place: | Stockholm, Sweden |
| Death Date: | 31 July 1967 (aged 77) |
| Death Place: | Stockholm, Sweden |
| Sport: | Swimming, water polo |
| Club: | Stockholms KK |
| Show-Medals: | yes |
Harald Sigfrid Alexander Julin (27 March 1890 – 31 July 1967) was a Swedish swimmer and water polo player who competed at the 1906, 1908, 1912 and 1920 Olympics.[1] In 100 m freestyle swimming he won a bronze medal in 1908, and failed to reach the finals in 1906 and 1912; he finished fifth in the 4×250 m freestyle relay in 1906. In water polo he won bronze medals in 1908 and 1920 and a silver at the 1912 Summer Olympics in his native Stockholm. His sons Åke and Rolf also became Olympic water polo players.[2]
Julle came from a rich family. Besides water sports he was a fan of motor racing, working as a secretary of the Royal Automobile Club and helping organize several racing events. He later joined the national sports federation.[3]