| Event: | Women's heptathlon |
| Competition: | 2021 World Athletics U20 Championships |
| Venue: | Kasarani Stadium |
| Dates: | 18–19 August |
| Competitors: | 8 |
| Nations: | 7 |
| Win Label: | Winning points |
| Win Value: | 5997 |
| Gold: | Saga Vanninen |
| Goldnoc: | FIN |
| Silver: | Pippi Lotta Enok |
| Silvernoc: | EST |
| Bronze: | Szabina Szűcs |
| Bronzenoc: | HUN |
| Prev: | 2018 |
| Next: | 2022 |
The women's heptathlon at the 2021 World Athletics U20 Championships was held at the Kasarani Stadium on 18 and 19 August.[1]
| Standing records prior to the 2021 World Athletics U20 Championships | |||||
|---|---|---|---|---|---|
| World U20 Record | 6542 | Munich, Germany | 10 August 2002 | ||
| Championship Record | 6470 | Kingston, Jamaica | 20 July 2002 | ||
| World U20 Leading | 6271 | Tallinn, Estonia | 16 July 2021 | ||
| Rank | Athlete | Nationality | [2] | [3] | [4] | 200m[5] | [6] | [7] | 800m[8] | Points[9] | Notes | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| align=left | align=left |  | 13.60 | 1.78 | 13.30 | 24.83 | 5.98 | 49.22 | 2:31.79 | 5997 | ||||
| align=left | align=left |  | 14.28 | 1.75 | 10.81 | 24.59 | 5.98 | 44.12 | 2:22.27 | 5746 | ||||
| align=left | align=left |  | 14.61 | 1.72 | 11.45 | 25.33 | 6.04 | 43.05 | 2:19.48 | 5674 | ||||
| 4 | align=left | align=left |  | 14.51 | 1.78 | 12.48 | 25.04 | 5.68 | 37.96 | 2:19.14 | 5652 | |||
| 5 | align=left | align=left | 14.12 | 1.60 | 10.80 | 25.39 | 6.13 | 40.84 | 2:27.00 | 5434 | ||||
| 6 | align=left | align=left |  | 14.57 | 1.78 | 9.93 | 26.07 | 5.92 | 33.08 | 2:17.31 | 5388 | |||
| 7 | align=left | align=left |  | 14.74 | 1.66 | 10.48 | 25.54 | 5.63 | 40.81 | 2:19.43 | 5333 | |||
| 8 | align=left | align=left | | 16.93 | 1.72 | 10.81 | 25.66 | 4.59 | 34.80 | 2:36.75 | 4523 |