<b>Spinel Ferrite Nanoparticles Synthesis, Characterization and Applications</b> Spinel ferrite nanoparticle have attracted a great attention due to its widely used in several areas such as in electronics devices, biomedical, catalyst and wastewater treatment. The synthesis, characterisation and application of spinel ferrite nanoparticles in various fields is focuses in this review paper. The most commonly used synthesis methods along with their advantages and limitations were discussed. The most common characterisation techniques and their applications such as power applications, biomedical applications, inductors, high frequency and Electromagnetic Interference EMI Suppression are briefly reviewed. Spinel ferrites, Synthesis, Characterization, applications 973-978 Issue-3 Volume-4 D. L. Chaudhari | D. S. Choudhary | K. G. Rewatkar