1988 World Junior Championships in Athletics – Women's 4 × 400 metres relay

The women's 4x400 metres relay event at the 1988 World Junior Championships in Athletics was held in Sudbury, Ontario, Canada, at Laurentian University Stadium on 30 and 31 July.

Final
31 July

Heats
30 July

Participation
According to an unofficial count, 76 athletes from 18 countries participated in the event. • 🇦🇺 australia (4)

• 🇧🇬 bulgaria (4)

• 🇨🇦 canada (5)

• 🇨🇳 china (4)

• 🇨🇺 cuba (4)

• undefined (6)

• 🇫🇷 france (4)

• 🇭🇺 hungary (4)

• 🇮🇹 italy (4)

• undefined (4)

• 🇳🇿 new zealand (4)

• 🇷🇴 romania (4)

• undefined (4)

• 🇪🇸 spain (4)

• undefined (4)

• 🇺🇸 united states (5)

• undefined (4)

• undefined (4)