The women's javelin throw at the 2019 World Athletics Championships was held at the Khalifa International Stadium in Doha, Qatar, on 30 September and 1 October 2019.

[1] On the second throw of the competition, returning bronze medalist Lü Huihui took the lead with a 64.93m.

In the second round, Lü improved to 65.06m and Christin Hussong landed one only a centimetre behind, while Špotáková only managed a 59.52m.

On her final attempt, Barber tossed a 66.56 m (218 ft 4 in) to jump from a distant fourth place to take the gold medal.

Before the competition records were as follows:[2] The event schedule, in local time (UTC+3), was as follows:[3] Qualification: Qualifying distance 63.50 (Q) or the 12 best athletes including ties (q) advanced to the final.