The book entitled, "Analysis of magnetic field effect on nanofluid flow" is founded on the analysis on theoretical features of the mathematical modeling of various physical phenomena arising in nanofluid flow in presence of magnetic field. The key objective of this investigation is to focus on the fluid flow of electrically conducting nanofluids considering effects of various parameters. The motivation behind studying these flows lies in the cooling processes, nuclear reactors, metal extrusion, blood flow analysis, in which properties of the fluids like heat transfer or mass transfer can be enhanced using nanofluids.