Longfellow is a surname. Notable people with the surname include:
Alexander Wadsworth Longfellow, Jr. (1854–1934), American architect
Henry Wadsworth Longfellow (1807–1882), American poet and professor
Ki Longfellow (born 1944), American writer
Malvina Longfellow (1889–1962), stage and silent movie actress
Richard M. Longfellow (1867–1951), United States Army Private
Samuel Longfellow (1819–1892), American clergyman and hymn writer
Stephen Longfellow (1775–1849), member of the United States House of Representatives
