The 1991 Belgian Masters (also referred to as the 1991 Humo Belgian Masters for the purposes of sponsorship) was a professional non-ranking snooker tournament that took place between 17 and 21 September 1991 in Antwerp, Belgium.

Mike Hallett won the title, defeating Neal Foulds 9–7 in the final.

[1][2] Hallett was awarded £30,000 prize money as winner, with Foulds receiving £15,000 as runner-up, and losing semi-finalists getting £10,000 each.

[3] Players in bold denote match winners.

[1][3]