De Morgan or de Morgan is a surname, and may refer to:
- Augustus De Morgan (1806–1871), British mathematician and logician
- De Morgan's laws (or De Morgan's theorem), a set of rules from propositional logic
- The De Morgan Medal, a triennial mathematics prize awarded by the London Mathematical Society
- Campbell De Morgan (1811–1876), British surgeon
- William De Morgan (1839–1917), English designer, potter, ceramics-worker, and novelist
- Mary De Morgan (1850–1907), English author of literary fairytales
- Evelyn De Morgan (1855–1919), English pre-Raphaelite painter
- Jacques de Morgan (1857–1924), French archaeologist
This page lists people with the surname De Morgan.
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.
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.