2012 World Junior Championships in Athletics – Women's long jump

The women's long jump at the 2012 World Junior Championships in Athletics was held at the Estadi Olímpic Lluís Companys on 12 and 13 July. The event was won by British heptathlon specialist Katarina Johnson-Thompson.

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

Qualification
Qualification: Standard 6.30 m (Q) or at least best 12 qualified (q)

Participation
According to an unofficial count, 31 athletes from 23 countries participated in the event. • 🇦🇲 armenia (1)

• 🇦🇺 australia (2)

• undefined (1)

• 🇧🇷 brazil (2)

• undefined (1)

• 🇨🇺 cuba (1)

• 🇨🇿 czech republic (1)

• 🇪🇪 estonia (1)

• 🇩🇪 germany (2)

• 🇮🇹 italy (2)

• 🇯🇲 jamaica (1)

• 🇯🇵 japan (1)

• 🇱🇹 lithuania (1)

• 🇷🇴 romania (1)

• 🇷🇺 russia (2)

• undefined (1)

• 🇪🇸 spain (1)

• 🇸🇪 sweden (1)

• 🇹🇷 turkey (1)

• 🇺🇦 ukraine (2)

• undefined (2)

• 🇺🇸 united states (2)

• 🇻🇪 venezuela (1)