The 1975 Rothmans International Trophy was a men's professional tennis tournament held on indoor carpet courts at the Royal Albert Hall in London, England.

It was the fifth edition of the event and was held from 4 March until 8 March 1975.

The tournament was a special non–ranking event on the 1975 World Championship Tennis circuit consisting of eight nations and 16 players.

Mark Cox won the singles title.

[3] Mark Cox defeated Brian Fairlie 6–1, 7–5 Paolo Bertolucci / Adriano Panatta defeated Jürgen Fassbender / Hans-Jürgen Pohmann 6–3, 6–4