The Men's 4 × 50 metre medley relay competition of the 2021 FINA World Swimming Championships (25 m) was held on 20 December 2021.

Records Prior to the competition, the existing world and championship records were as follows.

The following new records were set during this competition: Date Event Name Nation Time Record20 December Final Kliment Kolesnikov (22.76)Kirill Strelnikov (25.62)Andrey Minakov (21.76)Vladimir Morozov (20.37) Russian Swimming Federation 1:30.51 =CRShaine Casas (23.11)Nic Fink (25.13)Tom Shields (21.75)Ryan Held (20.52)

Results Heats The heats were started at 09:30.Heats results

Rank Heat Lane Nation Swimmers Time Notes 1 1 4 Russian Swimming Federation Pavel Samusenko (23.38)Andrei Nikolaev (26.16)Oleg Kostin (22.08)Aleksandr Shchegolev (20.90) 1:32.52 Q 2 1 6 Mohamed Samy (23.69)Youssef El-Kamash (26.40)Youssef Ramadan (22.37)Abdelrahman Sameh (20.73) 1:33.19 Q, AF 3 2 7 Guilherme Guido (23.27)Caio Pumputis (26.33)Vinicius Lanza (22.51)Gabriel Santos (21.10) 1:33.21 Q 4 1 8 Shaine Casas (23.34)Will Licon (26.11)Trenton Julian (22.57)Zach Apple (21.27) 1:33.29 Q 5 2 4 Lorenzo Mora (23.65)Nicolò Martinenghi (26.00)Michele Lamberti (22.84)Thomas Ceccon (21.11) 1:33.60 Q 6 1 5 Markus Lie (23.72)André Grindheim (27.30)Tomoe Hvas (22.49)Nicholas Lia (20.82) 1:34.33 Q 7 1 3 Kacper Stokowski (23.48)Marcin Cieślak (27.08)Jakub Majerski (22.63)Paweł Juraszek (21.35) 1:34.54 Q 8 2 6 Danas Rapšys (24.46)Andrius Šidlauskas (26.63)Deividas Margevičius (22.96)Simonas Bilis (21.15) 1:35.20 Q 9 2 3 Mewen Tomac (23.79)Antoine Viquerat (26.16)Thomas Piron (23.09)Yohann Ndoye Brouard (22.40) 1:35.44 10 2 5 Doruk Tekin (23.87)Berkay Ömer Öğretir (26.41)Rasim Oğulcan Gör (23.29)Baturalp Ünlü (22.05) 1:35.62 11 1 1 Lau Shiu Yue (24.41)Ng Yan Kin (27.62)Ng Cheuk Yin (23.32)Ian Ho (21.01) 1:36.36 NR 12 1 7 Won Young-jun (24.04)Moon Jae-kwon (26.48)Moon Seung-woo (24.25)Lee Ho-joon (22.74) 1:37.51 13 1 2 Trần Hưng Nguyên (25.00)Phạm Thanh Bảo (27.53)Hồ Nguyễn Duy Khoa (24.96)Nguyễn Hữu Kim Sơn (25.66) 1:43.15 14 2 2 Faisal Al-Tannak (27.59)Ali Al-Zamil (29.45)Mashari Al-Samhan (25.51)Sauod Al-Shamroukh (24.23) 1:46.78 2 8 Wang GukailaiQin HaiyangSun JiajunWang Changhao DSQ 2 1 DNS

Final The final was held at 18:00.Final results Rank Lane Nation Swimmers Time Notes 4 Russian Swimming Federation Kliment Kolesnikov (22.76)Kirill Strelnikov (25.62)Andrey Minakov (21.76)Vladimir Morozov (20.37) 1:30.51 =CR 6 Shaine Casas (23.11)Nic Fink (25.13)Tom Shields (21.75)Ryan Held (20.52) 1:30.51 =CR, =AM 2 Lorenzo Mora (23.24)Nicolò Martinenghi (25.30)Matteo Rivolta (21.95)Lorenzo Zazzeri (20.29) 1:30.78 4 3 Gabriel Fantoni (22.84)João Gomes Júnior (25.52)Vinicius Lanza (22.45)Gabriel Santos (21.10) 1:31.91 5 5 Mohamed Samy (23.68)Youssef El-Kamash (26.32)Youssef Ramadan (22.12)Abdelrahman Sameh (20.44) 1:32.56 AF 6 1 Kacper Stokowski (23.20)Marcin Cieślak (26.79)Jakub Majerski (22.45)Paweł Juraszek (20.69) 1:33.13 7 7 Markus Lie (23.73)André Grindheim (27.08)Tomoe Hvas (22.41)Nicholas Lia (20.91) 1:34.13 8 8 Danas Rapšys (24.40)Andrius Šidlauskas (26.58)Deividas Margevičius (22.77)Simonas Bilis (21.07) 1:34.82

References