List of PSA men's number 1 ranked players

This article is a list of PSA men's number 1 ranked players in the Official Men's Squash World Ranking.

The PSA Ranking are the Professional Squash Association's (PSA) merit-based method for determining the world rankings in men's squash.

The top-ranked player is the player who, over the previous 12 months, has garnered the most PSA ranking points.

The PSA has used a computerized system for determining the rankings since January 1975.

An updated rankings list is released each Monday.

Jansher Khan has spent a 97 total months at the top of the PSA rankings , the most of any player.