| Event: | Men's 400 metres T52 |
| Games: | 2023 |
| Venue: | Mario Recordón Athletics Training Center |
| Dates: | November 21 |
| Competitors: | 5 |
| Nations: | 4 |
| Win Value: | 1:01.72 |
| Win Label: | Winning time |
| Gold: | Leonardo de Jesús Pérez |
| Goldnoc: | MEX |
| Silver: | Cristian Eduardo Torres |
| Silvernoc: | COL |
| Bronze: | Anthony Bouchard |
| Bronzenoc: | CAN |
| Prev: | 2019 |
| Next: | 2027 |
The men's T52 400 metres competition of the athletics events at the 2023 Parapan American Games was held on November 21 at the Mario Recordón Athletics Training Center within the Julio Martínez National Stadium of Santiago, Chile.[1]
Prior to this competition, the existing world and Pan American Games records were as follows:
| World record | 54.19 | Paris, France | July 13, 2023 | |
| Parapan American Games record | 57.72 | Toronto, Canada | August 13, 2015 | |
All times shown are in seconds.
| KEY: | bgcolor=ccffcc align=center | q | bgcolor=ccffcc align=center | Q | Qualified | PR | Parapan Games record | NR | National record | SB | Seasonal best | DQ | Disqualified |
The results were as follows:[2]
| Rank | Lane | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|
| 4 | 1:01.72 | AR | |||
| 5 | 1:03.07 | ||||
| 3 | 1:03.15 | SB | |||
| 4 | 6 | 1:03.16 | SB | ||
| 5 | 7 | 1:04.10 | SB | ||