Laszlo Cseh, a renowned Hungarian swimmer, has left an indelible mark on the sport. Born in Budapest, Hungary, he began swimming at the age of four. His mother encouraged him to swim to ensure his safety around the school pool. Over the years, Cseh's dedication and talent have earned him numerous accolades.

| Season | Event | Rank |
|---|---|---|
| 2021 | Men's 200m Individual Medley | 7 |
| 2016 | Men's 100m Butterfly | S Silver |
| 2016 | Men's 200m Butterfly | 7 |
| 2012 | Men's 200m Individual Medley | B Bronze |
| 2012 | Men 4 x 100m Medley Relay | 5 |
| 2012 | Men 4 x 200m Freestyle Relay | 8 |
| 2012 | Men 400m Individual Medley | 9 |
| 2012 | Men's 200m Butterfly | 12 |
| 2008 | Men's 200m Butterfly | S Silver |
| 2008 | Men's 200m Individual Medley | S Silver |
| 2008 | Men 400m Individual Medley | S Silver |
| 2004 | Men 400m Individual Medley | B Bronze |
| 2004 | Men's 200m Individual Medley | 4 |
| 2004 | Men 100m Backstroke | 6 |
| 2004 | Men 4 x 100m Medley Relay | 7 |
Cseh's most memorable sporting achievement was winning three silver medals at the 2008 Olympic Games in Beijing. His career is also marked by significant milestones. At the 2015 World Championships in Kazan, he became the first male swimmer to win a medal at seven editions of the world championships.
He extended this record to eight by winning silver in the 200m butterfly at the 2017 World Championships in Budapest. Additionally, he made history by becoming the first male swimmer to claim medals in all three butterfly distances at a single edition of the championships.
Cseh's achievements have been recognised with several awards. He was named Male Swimmer of the Year at the 2015 European Swimming League Awards. In 2008, he received the Knight's Cross of the Order of Merit of the Republic of Hungary. He was also named Male Athlete of the Year in Hungary in 2006.
Cseh's wife Diana has been the most influential person in his career. He idolises Hungarian swimmer Tamas Darnyi. His father, Laszlo Cseh Sr., represented Hungary in swimming at the Olympic Games in 1968 and 1972. Diana has also competed in swimming at a national level.
Cseh faced a spinal problem before the 2017 European Short Course Championships in Copenhagen. Despite this setback, he continued to perform at a high level. He has a unique ritual of shaving his head before races, which he believes helps him prepare mentally.
Cseh retired from competitive swimming after the 2020 Olympic Games in Tokyo. Reflecting on his career, he expressed contentment with his achievements despite not winning an Olympic gold medal. He emphasised living according to his values and setting an example for others.
Laszlo Cseh's journey through swimming has been marked by dedication, resilience, and numerous accolades. His legacy continues to inspire aspiring swimmers worldwide.
Laszlo Cseh, a renowned Hungarian swimmer, has left an indelible mark on the sport. Born in Budapest, Hungary, he began swimming at the age of four. His mother encouraged him to swim to ensure his safety around the school pool. Over the years, Cseh's dedication and talent have earned him numerous accolades.