The men's 100m breaststroke events at the 2019 World Para Swimming Championships were held in the London Aquatics Centre at the Queen Elizabeth Olympic Park in London between 9–15 September.
Medalists SB4Dmitrii CherniaevMoisés FuentesFrancesco BocciardoSB5Andrei GranichkaLi JunshengAntoni Ponce BertranSB6Nelson CrispínYevhenii BohodaikoYang HongSB7Carlos Serrano ZárateEgor EfrosininBlake CochraneSB8Andrei KalinaOscar Salguero GalisteoTim van DuurenSB9Stefano RaimondiJames LerouxDmitrii BartasinskiiSB11Yang BozunRogier DorsmanKeiichi KimuraSB12Oleksii FedynaUladzimir IzotauVali IsrafilovSB13Taliso EngelFirdavsbek MusabekovIhar BokiSB14Naohide YamaguchiScott QuinMarc Evers
Results SB4
SB5
SB6
SB7
SB8
SB9
SB11
SB12
SB13
SB14
References