TSS Slievemore or Slieve More may refer to:
- TSS Slievemore (1904), a twin screw steamer passenger and cargo vessel operated by the London and North Western Railway from 1904 to 1923, and the London, Midland and Scottish Railway from 1923 to 1932.
- TSS Slieve More (1932), a twin screw steamer passenger vessel operated by the London, Midland and Scottish Railway from 1930 to 1948, and the British Transport Commission from 1948 to 1965.
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.