The 1979 McGuinness Men's World Open Squash Championship was the men's edition of the 1979 World Open, which serves as the individual world championship for squash players.

The event took place in Toronto in Canada during September 1979.

Geoff Hunt won his third consecutive World Open title, defeating Qamar Zaman in a repeat of the 1977 final.

[1][2] [3] Torsam Khan died just two months after this event in the November, at the age of 27.

Torsam suffered a heart attack during a tournament in Australia.