| Łukasz Wietecki | |
| Nickname: | Luka |
| Birth Date: | 29 July 1984 |
| Birth Place: | Olkusz, Poland |
| Height: | 1.77m |
| Country: | Poland |
| Sport: | Para athletics (2000–2018) Para triathlon (2014–present) |
| Disability: | Optic nerve atrophy |
| Disability Class: | PTVI3 |
Łukasz Wietecki (born 29 July 1984) is a Polish paratriathlete and former middle distance runner who competes in international level events. He has participated at the Paralympic Games in 2012 and 2016 in athletics but did not medal in any of his finals.[1]
Wietecki switched to paratriathlon in 2014 and is a World bronze medalist and a three time European medalist. He trains in Poznań and is aiming to compete at the 2020 Summer Paralympics.[2] [3]