Nikolay Egorovich Zhukovskiy (Жуковский, Николай Егорович in Russian) (January 5 (OS) or January 17 (NS), 1847 – March 17, 1921) was a Russian mechanical engineer and one of the founders of modern hydrodynamics and aerodynamics.

His name has often been romanised as Joukovsky or Joukowsky in the older literature. See for example Joukowsky transformation , named also Kutta-Schukowski, Kutta-Joukowski and so on.