The women's 4 × 100 metres relay at the 2024 World Athletics Relays has been held at the Thomas Robinson Stadium on 4 and 5 May.

Prior to the competition, the records were as follows: The top two per heat earned automatic Olympic qualification and advancement to the finals.

All other teams had a second chance at Olympic qualification in the repechage round the following day.

[2][3] The repechage round consisted of all countries which did not qualify for the finals.

The top two countries in each repechage heat qualified for the 2024 Olympics, however there was no path for the repechage teams to qualify for the World Relays finals later in the day.