Masters W75 400 metres world record progression
This is the progression of world record improvements of the 400 metres W75 division of Masters athletics.
;Key:
| Hand | Auto | Athlete | Nationality | Birthdate | Age | Location | Date | Ref |
| 1:17.71 | Michelle Peroni-Edoh |  FranceAyd|1947|8|7|2023|9|26 |