2014 FINA World Swimming Championships (25 m) – Women's 400 metre individual medley

The women's 400 metre individual medley competition of the 2014 FINA World Swimming Championships (25 m) was held on 3 December.

Records
Prior to the competition, the existing world and championship records were as follows.

The following records were established during the competition:

Heats
The heats were held at 12:16.

Final
The final was held at 19:08.