Howells is a Welsh surname. Notable people with the surname include:
Adele C. Howells (1886–1951), fourth general president of the Primary (children's organization) of the Church of Jesus Christ of Latter-day Saints (LDS Church) Anne Howells (1941–2022), British operatic mezzo-soprano Callum Scott Howells (born 1999), Welsh actor Danny Howells (born 1970), English record producer and disc jockey David Howells (born 1967), English footballer Glenn Howells, British-born architect Herbert Howells (1892–1983), English composer John Mead Howells (1868–1959), American architect Kim Howells (born 1946), Welsh Labour politician and member of Parliament Roger Howells, Welsh footballer Rosalind Howells (born 1931), English Labour politician and member of House of Lords Sarah Howells, British singer-songwriter and trance vocalist Ursula Howells (1922–2005), English actress William Dean Howells (1837–1920), American realist author and literary critic William W. Howells (1908–2005), professor of anthropology at Harvard