Fastest swim short course relay 4 x 50 metres medley (male)
- Who
- Lorenzo Mora, Nicolò Martinenghi, Matteo Rivolta, Leonardo Deplano
- What
- 1:29.72 minute(s):second(s)
- Where
- Australia (Melbourne)
- When
- 17 December 2022
The fastest swim short course relay 4 x 50 metres medley (male) is 1 minute 29.72 seconds, achieved by Italy (Lorenzo Mora, Nicolò Martinenghi, Matteo Rivolta and Leonardo Deplano) at the 16th FINA World Swimming Championships (25 m) in Melbourne, Australia, on 17 December 2022.