Lownes is a surname. Notable people with the surname include:
Anna Lownes (1842–1910), American painter E. John Lownes III (1927–2016), American politician Elizabeth Lownes (1835–1899), birth name of Elizabeth Lownes Rust, American philanthropist, humanitarian, and Christian missionary Jolliffe Lownes (died 1627), English apothecarist Millicent Lownes-Jackson (), American professor and author Victor Lownes (1928–2017), American businessman and Playboy Enterprises executive
See also Lowness (disambiguation)