Jennett is both a surname and a given name. Notable people with the name include:
Bryan Jennett (1926–2008), pioneering professor of neurosurgery in Glasgow Seán Jennett (1912–1981), author of many travel books, typographer for Faber and Faber Jennett Humphreys (1829–1917), English author, poet, and contributor to major reference works Leonard Jennett Simpson (1882–1940), physician and political figure in Ontario
See also Jeanetta (disambiguation) Jeanette (disambiguation) JenNet-IP Jennet