Warship is a British television drama series produced by the BBC and broadcast between 1973 and 1977. The series was set contemporaneously and depicted life on board the fictitious Royal Navy frigate HMS Hero. Four series were produced with 45 episodes made in total.

It was also subtitled into Dutch and broadcast in the Netherlands as Alle hens aan dek (All hands on deck) and it enjoyed popularity in Britain, Ireland, Australia, New Zealand and Singapore.