The 1984 Langs Supreme Scottish Masters was a professional non-ranking snooker tournament that took place between 20 and 23 September 1984 at the Skean Dhu Hotel in Glasgow, Scotland.

[1][2] On the first day Tony Knowles beat Terry Griffiths 5–3, including a break of 102.

Jimmy White beat Murdo MacLeod 5–0 in the evening session.

[4] Jimmy White beat Tony Knowles 6–5 in the semi-finals, the match including two break of 103 by White and a break of 126 by Knowles.

[5] Steve Davis won the tournament by defeating Jimmy White 9–4 in the final.