The PSA World Series 2017–18 is a series of men's and women's squash tournaments which are part of the Professional Squash Association (PSA) World Tour for the end of 2017 and the start of 2018.
The PSA World Series tournaments are some of the most prestigious events on the men's and women's tour.
Points for this are calculated on a cumulative basis after each World Series event.
The top eight players at the end of the calendar year are then eligible to play in the PSA World Series Finals.
‡Marwan El Shorbagy withdraws to the World Series Finals on 30 May due to a hamstring injury.