| Events at the 2013 World Championships | ||
|---|---|---|
 | ||
| Freestyle | ||
| 50 m | men | women |
| 100 m | men | women |
| 200 m | men | women |
| 400 m | men | women |
| Backstroke | ||
| 50 m | men | women |
| 100 m | men | women |
| Breaststroke | ||
| 50 m | men | women |
| 100 m | men | women |
| Butterfly | ||
| 50 m | men | women |
| 100 m | men | women |
| Ind. medley | ||
| 150 m | men | women |
| 200 m | men | women |
| Freestyle relay | ||
| 4×50 m | men | women |
| 4×100 m | men | women |
| Medley relay | ||
| 4×50 m | men | women |
| 4×100 m | men | women |
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The men's 4 x 50 metre medley relay at the 2013 IPC Swimming World Championships was held at the Parc Jean Drapeau Aquatic Complex in Montreal from 12 to 18 August.
Medalists
| Points | Gold | Silver | Bronze |
| 20 points | Dmytro Vynohradets S3 Oleksandr Komarov SB6 Yevheniy Bohodayko S7 Eskender Mustafaiev S4  Ukraine
|
Miguel Angel Martinez Tajuelo S3 Ricardo Ten SB4 Jaime Bailon Galindo S8 Sebastian Rodriguez S5  Spain
|
Dmitrii Kokarev S2 Alexey Fomenkov SB6 Denis Tarasov S8 Aleksei Lyzhikhin S4  Russia
|