Bigelow is a surname. Notable people with the surname include:
- Abijah Bigelow (1775âÂÂ1860), United States Representative from Massachusetts
- Albert Bigelow (1906âÂÂ1993), former United States Navy officer turned peace activist and Quaker
- Bob Bigelow (1953âÂÂ2020), retired National Basketball Association player
- Charles A. Bigelow (1862âÂÂ1912), American actor
- Charles Bigelow (type designer) (born 1945), American type historian, professor, and designer
- Clarence Otis Bigelow (1851-1937), American pharmacist and banker, founder of C. O. Bigelow Apothecaries
- Daniel Bigelow (1824âÂÂ1905), American lawyer and politician
- Doug Bigelow (1928âÂÂ1996), Australian rules footballer with Essendon Football Club
- Edward Manning Bigelow (1850âÂÂ1916), Pittsburgh City Engineer, Director of Public Works and "father of Pittsburgh's parks"
- Ella A. Bigelow (1849âÂÂ1917), American author and clubwoman
- Elliot Bigelow (1897âÂÂ1933), Major League Baseball player
- Elmer Charles Bigelow (1920âÂÂ1945), posthumous recipient of the United States Medal of Honor
- Erastus Brigham Bigelow (1814âÂÂ1879), American inventor of weaving machines
- Frank Bigelow (born 1954), American politician. Served in the California State Assembly from 2012 to 2022
- Frank Hagar Bigelow (1851âÂÂ1924), United States astronomer and meteorologist
- Frederick Ellsworth Bigelow (1873âÂÂ1929), American bandmaster and composer
- George Tyler Bigelow (1810âÂÂ1878), chief justice of the Massachusetts Supreme Judicial Court
- Harry Bigelow (1874âÂÂ1950), American lawyer and big-game hunter
- Henry Bryant Bigelow (1879âÂÂ1967), American oceanographer and marine biologist
- Henry Jacob Bigelow (1818âÂÂ1890), American surgeon and Harvard University professor
- Herbert S. Bigelow (1870âÂÂ1951), United States Representative from Ohio
- Hobart B. Bigelow (1834âÂÂ1891), American politician and 50th Governor of Connecticut
- Horace Bigelow (1898âÂÂ1980), American chess master and organizer
- Howard E. Bigelow (1923âÂÂ1987), American mycologist
- Iva Bigelow (later Iva Bigelow Weaver; 1875âÂÂ1932), American singer
- Jacob Bigelow (1787âÂÂ1879), American physician, botanist, architect and professor
- John Bigelow (1817âÂÂ1911), American lawyer
- John Bigelow Jr. (1854âÂÂ1936), United States Army officer and son of John Bigelow
- John Milton Bigelow (1804âÂÂ1878), American physician and botanist
- John P. Bigelow (1797âÂÂ1872), mayor of Boston, Secretary of State of Massachusetts and member of the Massachusetts House of Representatives
- Julian Bigelow (1913âÂÂ2003), American pioneering computer engineer
- Kathryn Bigelow (born 1951), American film director
- Lettie S. Bigelow (1848/49 â 1906), American author
- Lewis Bigelow (1785âÂÂ1838), United States Representative from Massachusetts
- Lisa Jenn Bigelow, American writer of children's books and young adult novels
- Lucius A. Bigelow (1892âÂÂ1973), American chemistry professor
- Poultney Bigelow (1855âÂÂ1954), American journalist and author
- Rensselaer R. Bigelow (1848âÂÂ1907), justice of the Supreme Court of Nevada
- Robert Bigelow (born 1945), hotel magnate