Sowerby is a surname. Notable people with the surname include:
Sowerby family, naturalists and artists Sowerby family, a British family of naturalists and artists Arthur de Carle Sowerby (1885–1954), British explorer in China Charlotte Caroline Sowerby (1820–1865), British natural history illustrator George Brettingham Sowerby I (1788–1854), British malacologist George Brettingham Sowerby II (1812–1884), British malacologist George Brettingham Sowerby III (1843–1921), British malacologist James Sowerby (1757–1822), British zoologist and painter James Sowerby (1815–1834), British mycologist James de Carle Sowerby (1787–1871), English scientist and artist John Edward Sowerby (1825–1870), artist and publisher
Others Artists John George Sowerby (1850–1914), English painter and illustrator Millicent Sowerby (1878–1967), English painter and illustrator
Politicians John Sowerby (MP) (fl. 1391–1411), English lawyer and Member of Parliament William Sowerby (politician) (born 1956), American politician
Other occupations E. Millicent Sowerby (1883–1977), English bibliographer Francis Sowerby Macaulay, British mathematician Fred Sowerby (born 1948), Antigua and Barbuda sprinter Githa Sowerby (1876–1970), English playwright Leo Sowerby (1895–1968), twentieth-century American composer William Sowerby (clergyman) (1799–1875), English clergyman
Fictional characters From The Secret Garden by Frances Hodgson Burnett Dickon Sowerby, a main character with knowledge about nature Martha Sowerby, a servant at the house and Mary's maid Mrs Sowerby, Dickon and Martha's mother.