4-1-1
4-6-2
4-6-4
4-8-2
4-8-4
4 (album)
4- Lexington Avenue Jerome Avenue Express
4 BC
4-beat
4-H
4 Hero
4-hydroxy proline
4-LOM
4 Nights at the Palais Royale
4 Privet Drive, Little Whinging, Surrey
4-Track cartridge
4 Vesta
4ème arrondissement, Paris