Results for Malaysia in 400 metres Freestyle, Men

Olympic and Intercalated results only.

Games	Athlete/Team	Placement
1964 Summer Olympics	Tan Thuan Heng	36
1988 Summer Olympics	Jeffrey Ong	36
1992 Summer Olympics	Jeffrey Ong	37
2000 Summer Olympics	Dieung Manggang	43
2016 Summer Olympics	Welson Sim	34
2020 Summer Olympics	Welson Sim	33
2024 Summer Olympics	Khiew Hoe Yean	27