John Thomas Rimmer (27 April 1878 – 6 June 1962) was a British athlete, winner of two gold medals at the 1900 Summer Olympics.

[5] At the Paris Olympics, Rimmer at first participated in the 1500 metres competition, where he finished between seventh and ninth place.

[6] On the next day, Rimmer won the gruelling 4000 m steeplechase, beating teammate Charles Bennett by one and half yards.

[3] Rimmer also won the 1899 District cross-country event running as a member of Liverpool Harriers AC before joining Southport Harriers, he was unable to defend the title due to the club being outside the District, but he did win the title again in 1909 when running for Sefton Harriers, for whom he became president in 1951 till his death.

[10] Rimmer joined the Liverpool City Police in 1901 and retired as sergeant 30 years later.