| Maciej Lasek | |
| Birth Date: | 1967 6, df=yes |
| Birth Place: | Elbląg |
| Nationality: | Polish |
| Occupation: | Civil servant, aviation safety |
| Known For: | Smolensk air crash investigation |
Maciej Grzegorz Lasek (born. 15 June 1967 in Elbląg[1]) – is a Polish engineer, specializing in flight mechanics, PhD, Chairman of the Committee for Investigation of National Aviation Accidents. He was the head of a commission that investigated the 2010 Polish Air Force Tu-154 crash.