Nanotechnology has attracted billions of venture capital from research institutes, governments, and industries in recent years. Traditional nanofabrication techniques, such as CVD, sol-gel, and self-assembly, have been intensively studied. However, the electrochemical nanofabrication technique, which offers huge benefits for manufacturing nanomaterials as well as broad applications in industries has not been paid much attention compare with the traditional nanofabrication methods. This book fits the niche of such technology. This book summarizes different electrochemical nanofabrication method.