ÞÓrsteinn is a masculine given name
- Name Meaning: Old Norse form of Torsten
- Name Origin: Ancient Scandinavian
Joan Ellis
| APA | Joan Ellis. (2011). Þórsteinn. Retrieved September 24, 2026, from http://smartdefine.org/%C3%9E%C3%B3rsteinn/definitions/1357032 |
| Chicago | Joan Ellis. 2011. "Þórsteinn" http://smartdefine.org/%C3%9E%C3%B3rsteinn/definitions/1357032 (accessed September 24, 2026). |
| Harvard | Joan Ellis 2011, Þórsteinn, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/%C3%9E%C3%B3rsteinn/definitions/1357032>. |
| MLA | Joan Ellis. "Þórsteinn" 25 February 2011. Web. 24 September 2026. <http://smartdefine.org/%C3%9E%C3%B3rsteinn/definitions/1357032> |