2012 World Junior Championships in Athletics – Women's heptathlon

The women's heptathlon at the 2012 World Junior Championships in Athletics was held at the Estadi Olímpic Lluís Companys on 12 and 13 July.

Records
, the existing world junior and championship records were as follows.

Participation
According to an unofficial count, 30 athletes from 22 countries participated in the event. • 🇦🇺 australia (1)

• 🇦🇹 austria (1)

• 🇧🇪 belgium (1)

• 🇧🇷 brazil (1)

• 🇨🇦 canada (1)

• 🇨🇳 china (1)

• 🇨🇺 cuba (2)

• 🇪🇪 estonia (2)

• 🇫🇮 finland (2)

• 🇫🇷 france (1)

• 🇭🇺 hungary (1)

• 🇮🇸 iceland (1)

• undefined (2)

• 🇳🇿 new zealand (1)

• 🇳🇴 norway (1)

• 🇸🇰 slovakia (1)

• 🇪🇸 spain (1)

• 🇸🇪 sweden (1)

• undefined (2)

• 🇺🇦 ukraine (2)

• undefined (2)

• 🇺🇸 united states (2)