Sidgwick may refer to:
- Mary Sidgwick Benson (1841–1918), English hostess and wife of Edward Benson, the Archbishop of Canterbury
- Eleanor Mildred Sidgwick (1845–1936), English activist for higher education of women and wife of Henry Sidgwick
- Henry Sidgwick (1838–1900), English philosopher
- Nevil Sidgwick (1873–1952), English chemist
- Robert Sidgwick (1851–1934), English cricketer
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