| 100m Backstroke | 56.06 | KLOTZ Matthew |  USA | 18 Jun 2016 | Baton Rouge, LA, United States |
| 100m Backstroke | 57.40 | KLOTZ Matthew | USA | 01 Mar 2015 | College Station, United States |
| 100m Backstroke | 58.07 | KANAJI Yoshikazu |  JPN | 06 Sep 2014 | Yokohama, Japan |
| 100m Backstroke | 58.69 | KLOTZ Matthew | USA | 28 Jul 2013 | Sofia, Bulgaria |
| 100m Backstroke | 59.25 | KLOTZ Matthew | USA | 28 Jul 2013 | Sofia, Bulgaria |
| 100m Backstroke | 59.45 | KEALY John |  IRL | 24 Jun 1998 | Vilnius, Lithuania |
| 100m Backstroke | 59.69 | KEALY John | IRL | 19 Jul 1997 | Copenhagen, Denmark |
| 100m Backstroke | 1:00.51 | KEALY John | IRL | 04 Aug 1995 | Brugge, Belgium |
| 100m Backstroke | 1:00.96 | KEALY John | IRL | 29 Jul 1993 | Sofia, Bulgaria |
| 100m Backstroke | 1:01.70 | KEALY John | IRL | 29 Jul 1993 | Sofia, Bulgaria |
| 100m Backstroke | 1:02.22 | KEALY John | IRL | 14 Jan 1989 | Christchurch, New Zealand |
| 100m Backstroke | 1:02.79 | KEATING Paul | IRL | 15 Jul 1985 | Los Angeles, United States |
| 100m Backstroke | 1:04.15 | GAVAZA Andrei |  URS | 27 Jul 1981 | Köln, Germany |
| 100m Backstroke | 1:04.19 | FLOAT Jeffrey | USA | 20 Jul 1977 | Bucharest, Romania |
| 100m Backstroke | 1:04.38 | FLOAT Jeffrey | USA | 10 Jul 1976 | Southfield, United States |
| 100m Backstroke | 1:07.11 | FLOAT Jeffrey | USA | 10 Jul 1976 | Southfield, United States |
| 100m Backstroke | 1:07.8 | RICE Ronald | USA | 19 Nov 1975 | Maracaibo, Venezuela |
| 100m Backstroke | 1:09.5 | MARSCHEWSKI Andreas |  FRG | 25 Jul 1971 | Delmenhorst, Germany |
| 100m Backstroke | 1:11.0 | MARSCHEWSKI Andreas | FRG | 29 Nov 1970 | Dortmund, Germany |
| 100m Backstroke | 1:11.6 | RICE Richard | USA | 12 Aug 1969 | Belgrade, Serbia |
| 100m Backstroke | 1:12.1 | PáNYI Bela |  HUN | 15 Jun 1969 | Budapest, Hungary |
| 100m Backstroke | 1:14.0 | TARICZKY Istvan | HUN | 07 Oct 1967 | Stockholm, Sweden |
| 100m Backstroke | 1:14.7 | DETTE Bernd |  GER | 09 Aug 1961 | Helsinki, Finland |
| 100m Backstroke | 1:15.5 | DETTE Bernd | GER | 09 Aug 1961 | Helsinki, Finland |
| 100m Backstroke | 1:19.9 | KUN Mihaly | HUN | 26 Aug 1957 | Milan, Italy |
| 100m Backstroke | 1:21.3 | GROSSE Herbert | GER | 18 Aug 1953 | Brussels, Belgium |
| 100m Backstroke | 1:22.8 | TENDEN Fridtjof |  NOR | 10 Aug 1939 | Oslo, Norway |
| 100m Backstroke | 1:23.0 | TENDEN Fridtjof | NOR | 22 Aug 1935 | London, Great Britain |
| 100m Backstroke | 1:24.2 | RINGK Johannes |  NED | 12 May 1933 | Amsterdam, Netherlands |
| 100m Backstroke | 1:28.6 | GEHRING Wilhelm | GER | 23 Aug 1931 | Nuremberg, Germany |
| 100m Backstroke | 1:29.0 | GEHRING Wilhelm | GER | 29 Jan 1928 | Berlin, Germany |