5H (original) (raw)

5H or 5h may refer to: * Fifth Harmony, the American girl group * 5H, a type of lead in a pencil * SSH 5H (WA), alternate designation for Washington State Route 507 * Fly540 (IATA code) * 5H, a highly unstable isotope of hydrogen * City of Death (production code: 5H), a 1979 Doctor Who serial