Around the globe, Jan-Olov (Jan-Olov 
) is a very rare masculine given name. The forename Jan-Olov is characteristic of Northern Europe, particularly Sweden, where it is a rare masculine name. Parts of the name also exists independently as a last name Jan, and a first name Olov.
| VARIANT | COUNTRY |
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| Jan-Olov | Sweden, Finland, United States |
| jan-olov liljenzin Swedish chemist and professor (1936–2019), SE (b. 1936) |
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| jan-olov gezelius SE (b. 1935) |
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| jan-olov höög SE (b. 1955) |
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| jan-olov sundström SE |
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Berg, Larsson, Lundqvist, Jansson, Jonsson, Nilsson, Wessman, Sandberg, Svensson, Andefors, Carlsson, Berglund, Karlsson, Dahlberg, Lundgren, Eriksson, Engström, Forsberg, Andersson, Bengtsson, Johansson, Sundström, Persson, Olsson, Vuolle, Hofvander, Blom, Blid, Blix, Nord, Holm, Bruhn, Lavas, Lönn, Ljung, Fält, Gustavsson, Ignberg, Åckander, Sviden, Sjölund, Bogren, Boholm, Burman, Råman, Nygren, Nyvall, Holmqvist, Waara, and Gustafsson