Athletics at the 1975 Pan American Games

The athletics competition at the 1975 Pan American Games was held in Mexico City, Mexico between 13 and 20 October.

Participating nations
• (18)

• (7)

• (2)

• (11)

• (2)

• (22)

• (51)

• (4)

• (10)

• (3)

• (46)

• (13)

• (1)

• (7)

• (6)

• (5)

• (4)

• (20)

• (31)

• (7)

• (3)

• (2)

• (2)

• (13)

• (3)

• (11)

• (69)

• (1)

• (3)