Sewall is a surname. Notable people with the surname include:
- Arthur Sewall (1835âÂÂ1900), American shipbuilder and politician
- Charles S. Sewall (1779âÂÂ1848), American politician
- David Sewall (1735âÂÂ1825), American judge
- Doug Sewall (fl. 2000s), American wheelchair curler
- George P. Sewall (1811âÂÂ1881), American lawyer and State Representative from Old Town, Maine
- Gilbert T. Sewall (born 1946), American educator and author
- Harold M. Sewall (1860âÂÂ1924), American politician and diplomat
- Harriet Winslow Sewall (1819âÂÂ1889), American poet
- Jonathan Sewall (1729âÂÂ1796), last British attorney general of Massachusetts
- Joseph Sewall (1921âÂÂ2011), American businessman and politician from Maine
- May Wright Sewall (1844âÂÂ1920), American feminist, educator, and lecturer
- Richard B. Sewall (1908âÂÂ2003), American professor of English at Yale University
- Samuel Sewall (1652âÂÂ1730), American judge in Massachusetts
- Samuel Sewall (congressman) (1757âÂÂ1814), American lawyer and congressman
- Samuel Edmund Sewall (1799-1888), American lawyer, abolitionist, and suffragist
- Sarah Sewall (born 1961), American lecturer at Harvard Kennedy School
- Stephen Sewall (orientalist) (1734âÂÂ1804), American professor at Harvard University
- Sumner Sewall (1897âÂÂ1965), Governor of Maine and airline executive
- Thomas Sewall (1786âÂÂ1845), American physician
See also