Lettsom is a surname. Notable people with the surname include:
- John Coakley Lettsom (1744–1815), English physician and philanthropist
- William Garrow Lettsom (1805–1887), British diplomat, mineralogist and spectroscopist
- William Nanson Lettsom (1796–1865), English man of letters
Surname listThis page lists people with the surname Lettsom. If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link. Category: