The women's 49erFX competition of the sailing events at the 2015 Pan American Games in Toronto was held from July 12 to July 18 at the Royal Canadian Yacht Club.

[1] Points were assigned based on the finishing position in each race (1 for first, 2 for second, etc.).

If a team was disqualified or did not complete the race, 7 points were assigned for that race (as there were 6 teams in this competition).

The top 5 teams at that point competed in the final race, with placings counting double for final score.

The team with the lowest total score won.