Thorsell is a Swedish surname. Notable people with the surname include:
Björn Thorsell (born 1964), Swedish ice hockey player Elisabeth Thorsell (born 1945), Swedish writer and professional genealogist Eric Thorsell (1898–1980) Johan Thorsell (born 1974), Swedish singer Staffan Thorsell (born 1943), Swedish journalist and author Walborg Thorsell (1919–2016), Swedish scientist William Thorsell (born 1945), Canadian journalist