Tasneem Mohammad Shah (Urdu: تسنیم محمد شاه), SI, TI, was a Pakistani scientist and a prominent mathematician who has made pioneering and instrumental research and contributions to the field of computational fluid dynamics (CFD) at A. Q. Khan Research Laboratories (KRL). Trained as an applied mathematician, his contributions include differential geometry, numerical analysis, information security, CFD-DEM model, hydrodynamics (of explosions), computer science, fluid mechanics, Vacuum Technology and CFD-DEM.