Athletics at the 1963 Pan American Games

The athletics competition at the 1963 Pan American Games was held in São Paulo, Brazil.

Participating nations
• (7)

• (3)

• (1)

• (54)

• (1)

• (17)

• (7)

• (15)

• (2)

• (1)

• (4)

• (8)

• (1)

• (4)

• (5)

• (5)

• (9)

• (52)

• (3)

• (13)