| Born | 7 October 1923 Solna, Sweden |
|---|---|
| Died | 21 June 2006 (aged 82) Värmdö, Sweden |
| Nationality | Swedish |
| Career history | |
| Sweden | |
| 1949-59 | Getingarna |
| Great Britain | |
| 1952 | New Cross Rangers |
| 1953 | Wimbledon Dons |
| Individual honours | |
| 1949, 1952 | Swedish Championship silver medal |
| 1951 | Swedish Championship bronze medal |
| Team honours | |
| 1952 | Allsvenskan Champion |
Sune Wiktor Karlsson (1923–2006) was an international motorcycle speedway rider from Sweden. He earned seven caps for the Sweden national speedway team.
Karlsson won two silver medals (1949 and 1952) and one bronze medal (1951) at the Swedish Individual Speedway Championship.
Karlsson rode in the top tier of British Speedway in 1952, riding for New Cross Rangers.