Claude-Louis Navier (born Claude Louis Marie Henri Navier; French: [klod lwi maʁi ɑ̃ʁi navje]; 10 February 1785 – 21 August 1836) was a French Civil engineer, affiliated with the French government, and a physicist who specialized in continuum mechanics.
The Navier–Stokes equations refer eponymously to him, with George Gabriel Stokes.