Synthesis of aryl nitriles through nanoparticles catalyzed cyanation of aryl halides with K4[Fe(CN)6] as a non-toxic, non-hygroscopic, non-explosive, and inexpensive cyanating agent has drawn great attention in the past several years. This review discussed the recent advances in this interesting and fast-growing research arena. The review is divided into three major sections. The first section will cover Pd-NPs catalyzed reactions. The second focuses exclusively on Cu-NPs catalyzed cyanations. The third will discuss bimetallic-NPs catalyzed reactions. Literature has been surveyed until the end of 2017.