Hallowell is a surname. Notable people with the surname include:

Anna Hallowell (1831–1905), American education reformer Alfred Irving Hallowell (1892–1974), American anthropologist Benjamin Hallowell (disambiguation), multiple people Edward Hallowell (herpetologist) (1808–1860), American physician and herpetologist Edward Hallowell (psychiatrist) (born 1949), American psychiatrist known for his work on attention-deficit hyperactivity disorder Edward Needles Hallowell (1836–1871), U.S. Army officer during the American Civil War Harriet Hallowell (1873–1943), American painter, expatriate, volunteer for the French Red Cross and advocate for Allied prisoners in World War I Norwood Penrose Hallowell (1839–1914), U.S. Army officer during the American Civil War Sarah Catherine Fraley Hallowell (1833–1914), American journalist and editor Sarah Tyson Hallowell (1846–1924), American curator, art agent for the Chicago Art Institute and volunteer for the French Red Cross during World War I

See also Christina Hallowell Garrett, academic