The men's 400 metres T47 event at the 2024 Summer Paralympics in Paris, took place on 6 and 7 September 2024.

The T47 category is for athletes who have a single below elbow or wrist amputation or similar disability, with normal function in both legs.

Prior to the competition, the existing records were as follows:[1] First 3 in each heat (Q) and the next 2 fastest (q) advance to the Final.