# List of Guyanese records in swimming

The Guyanese records in swimming are the fastest ever performances of swimmers from Guyana, which are recognised and ratified by the Guyana Amateur Swimming Association.
All records were set in finals unless noted otherwise.

## Long Course (50 m)
### Men

| Event | Time | | Name | Club | Date | Meet | Location |
| 50m freestyle | 24.17 | h | Onan Orlando Thom | Guyana | 19 July 2006 | CAC Games | Cartagena, Colombia |
| 100m freestyle | 52.59 | h | Raekwon Noel | Guyana | 14 February 2024 | World Championships | Doha, Qatar |
| 200m freestyle | 1:55.75 | | Raekwon Noel | Guyana | 16/19 February 2023 | Republic Anniversary Swim Meet | Georgetown, Guyana |
| 400m freestyle | 4:02.29 | h | Raekwon Noel | Guyana | 27 July 2024 | Olympic Games | Paris, France |
| 800m freestyle | 8:29.52 | | Raekwon Noel | Guyana | 6 April 2023 | CARIFTA Championships | Willemstad, Curaçao |
| 1500m freestyle | 16:17.92 | | Raekwon Noel | Guyana | 6 April 2023 | CARIFTA Championships | Willemstad, Curaçao |
| 50m backstroke | 28.00 | | Onan Orlando Thom | - | 2005 | | |
| 100m backstroke | 1:02.47 | h | Onan Orlando Thom | Guyana | 25 July 2005 | World Championships | Montreal, Canada |
| 200m backstroke | 2:19.66 | | Onan Orlando Thom | - | 2003 | | |
| 50m breaststroke | 30.29 | | Chase Thompson | Guyana | 2 May 2021 | UANA Tokyo Qualifier | Clermont, United States |
| 100m breaststroke | 1:06.73 | c | Chase Thompson | Guyana | 29 April 2021 | UANA Tokyo Qualifier | Clermont, United States |
| 200m breaststroke | 2:40.20 | | Onan Orlando Thom | - | 2003 | | |
| 50m butterfly | 25.76 | | Raekwon Noel | Guyana | 16/19 February 2023 | Republic Anniversary Swim Meet | Georgetown, Guyana |
| 100m butterfly | 56.35 | | Raekwon Noel | Guyana | 16/19 February 2023 | Republic Anniversary Swim Meet | Georgetown, Guyana |
| 200m butterfly | 2:05.65 | h | Raekwon Noel | Guyana | 25 July 2023 | World Championships | Fukuoka, Japan |
| 200m individual medley | 2:43.55 | | Michael Watson | - | 1998 | | |
| 400m individual medley | 4:42.51 | | Raekwon Noel | Guyana | 7 April 2023 | CARIFTA Championships | Willemstad, Curaçao |
| 4×100m freestyle relay | 3:55.87 | | | - | 2007 | | |
| 4×200m freestyle relay | | | | | | |
| 4×100m medley relay | 4:34.67 | | | - | 2007 | | |

### Women

| Event | Time | | Name | Club | Date | Meet | Location |
| 50m freestyle | 27.76 | h | Aleka Persaud | Guyana | 30 July 2021 | Olympic Games | Tokyo, Japan |
| 100m freestyle | 1:00.67 | h | Aleka Persaud | Guyana | 27 July 2023 | World Championships | Fukuoka, Japan |
| 200m freestyle | 2:15.88 | | Britany van Lange | - | 2011 | | |
| 400m freestyle | 4:50.41 | | Britany van Lange | - | 2011 | | |
| 800m freestyle | 10:03.69 | | Britany van Lange | - | 2011 | | |
| 1500m freestyle | | | | | |
| 50m backstroke | 33.90 | | Onika George | - | 2014 | | |
| 100m backstroke | 1:13.71 | | Soroya Simmons | - | 2014 | | |
| 200m backstroke | 2:39.03 | | Soroya Simmons | - | 2014 | | |
| 50m breaststroke | 34.45 | | Jessica Stephenson | - | 2011 | | |
| 100m breaststroke | 1:14.65 | | Jessica Stephenson | Guyana | 2012 | | |
| 200m breaststroke | 2:42.20 | | Jessica Stephenson | - | 2012 | | |
| 50m butterfly | 29.97 | h | Jamila Sanmoogan | Guyana | 7 April 2018 | Commonwealth Games | Gold Coast, Australia |
| 100m butterfly | 1:07.24 | h | Aleka Persaud | Guyana | 29 July 2022 | Commonwealth Games | Birmingham, United Kingdom |
| 200m butterfly | 2:47.88 | | Jessica Stephenson | - | 2008 | | |
| 200m individual medley | | | | | |
| 400m individual medley | | | | | |
| 4×100m freestyle relay | | | | | | |
| 4×200m freestyle relay | | | | | | |
| 4×100m medley relay | | | | | | |

## Short Course (25 m)
### Men

| Event | Time | | Name | Club | Date | Meet | Location |
| 50m freestyle | 23.65 | h | Leon Seaton | Guyana | 16 December 2022 | World Championships | Melbourne, Australia |
| 100m freestyle | 51.24 | h | Leon Seaton | Guyana | 14 December 2022 | World Championships | Melbourne, Australia |
| 200m freestyle | 1:57.23 | h | Leon Seaton | Guyana | 5 November 2022 | World Cup | Indianapolis, United States |
| 400 m freestyle | | | | | |
| 800 m freestyle | | | | | |
| 1500 m freestyle | | | | | |
| 50 m backstroke | | | | | |
| 100 m backstroke | | | | | |
| 200 m backstroke | | | | | |
| 50m breaststroke | 30.57 | h | Daniel Scott | Guyana | 15 December 2018 | World Championships | Hangzhou, China |
| 100m breaststroke | 1:10.02 | h | Ronaldo Rodrigues | Guyana | 15 December 2010 | World Championships | Dubai, United Arab Emirates |
| 200m breaststroke | 2:40.83 | h | Ronaldo Rodrigues | Guyana | 17 December 2010 | World Championships | Dubai, United Arab Emirates |
| 50m butterfly | 25.71 | h | Hannibal David Gaskin | Guyana | 9 December 2016 | World Championships | Windsor, Canada |
| 100m butterfly | 57.62 | h | Hannibal David Gaskin | Guyana | 7 December 2016 | World Championships | Windsor, Canada |
| 200 m butterfly | | | | | |
| 100m individual medley | 1:07.76 | h | Ronaldo Rodrigues | Guyana | 18 December 2010 | World Championships | Dubai, United Arab Emirates |
| 200 m individual medley | | | | | |
| 400 m individual medley | | | | | |
| 4×50 m freestyle relay | | | | | | |
| 4×100 m freestyle relay | | | | | | |
| 4×200 m freestyle relay | | | | | | |
| 4×50 m medley relay | | | | | | |
| 4×100 m medley relay | | | | | | |

### Women

| Event | Time | | Name | Club | Date | Meet | Location |
| 50m freestyle | 26.86 | h | Aleka Persaud | Guyana | 20 December 2021 | World Championships | Abu Dhabi, United Arab Emirates |
| 100m freestyle | 59.70 | h | Aleka Persaud | Guyana | 17 December 2021 | World Championships | Abu Dhabi, United Arab Emirates |
| 200m freestyle | 2:15.77 | h | Britany van Lange | Guyana | 19 December 2010 | World Championships | Dubai, United Arab Emirates |
| 400m freestyle | 4:53.20 | h | Britany van Lange | Guyana | 17 December 2010 | World Championships | Dubai, United Arab Emirates |
| 800 m freestyle | | | | | |
| 1500 m freestyle | | | | | |
| 50m backstroke | 34.74 | h | Danielle George | Guyana | 14 December 2018 | World Championships | Hangzhou, China |
| 100 m backstroke | | | | | |
| 200 m backstroke | | | | | |
| 50m breaststroke | 38.78 | h | Athena Gaskin | Guyana | 12 December 2012 | World Championships | Istanbul, Turkey |
| 100m breaststroke | 1:24.94 | h | Athena Gaskin | Guyana | 14 December 2012 | World Championships | Istanbul, Turkey |
| 200 m breaststroke | | | | | |
| 50m butterfly | 29.69 | h | Jamila Sanmoogan | Guyana | 13 December 2018 | World Championships | Hangzhou, China |
| 100 m butterfly | | | | | |
| 200 m butterfly | | | | | |
| 100m individual medley | 1:16.70 | h | Athena Gaskin | Guyana | 13 December 2012 | World Championships | Istanbul, Turkey |
| 200 m individual medley | | | | | |
| 400 m individual medley | | | | | |
| 4×50 m freestyle relay | | | | | | |
| 4×100 m freestyle relay | | | | | | |
| 4×200 m freestyle relay | | | | | | |
| 4×50 m medley relay | | | | | | |
| 4×100 m medley relay | | | | | | |