2016 Fourth International Conference on Parallel, Distributed and Grid Computing (PDGC) was organized by ACM in collaboration with IEEE. It was organised by the student volunteers. PDGC-2016 served as an international forum for researchers and practitioners interested in recent advances in the areas of parallel, distributed and grid computing. It provided an opportunity to present and exchange advanced scientific and technological information in hardware, software and theoretical foundation in these areas. The proceedings of PDGC 2016 appeared in the proceedings published by IEEE and fully indexed by IEEE Xplore.