Frontier was the name of three steamships operated by African Coasters (Pty) Ltd, Durban, South Africa.
- SS Frontier (1896), in service 1922–26
- SS Frontier (1922), in service 1952–57
- SS Frontier (1943), in service 1958–66
This article includes a list of ships with the same or similar names. If an internal link for a specific ship led you here, you may wish to change the link to point directly to the intended ship article, if one exists.