| Men's World Open 1990 | |
| Number: | 14 |
| Series: | PSA World Squash Championship |
| Type: | PSA |
| Location: |  Toulouse, France |
| Dates: | November 4–11, 1990 |
| Category: | World Open |
| Prize Money: | $ 110,000 |
| Champion: |  Jansher Khan |
| Runner-Up: |  Chris Dittmar |
| Semi-Finalists: | Chris Robertson Tristan Nancarrow |
| Next: | 1991 |
The 1990 PSA Men's World Open Squash Championship is the men's edition of the 1990 World Open, which serves as the individual world championship for squash players. The event took place in Toulouse in France from 4 November to 11 November 1990. Jansher Khan won his third World Open title, defeating Chris Dittmar in the final.[1] [2]
Jahangir Khan the world number one and top seed withdrew from the tournament due to injury and illness.