This volume is the proceedings of the 2nd workshop on Cognitive Architectures for Social Human-Robot Interaction, held at the ACM/IEEE HRI 2016 conference, which took place on Monday 7th March 2016, in Christchurch, New Zealand. Organised by Paul Baxter (Plymouth University, U.K.), J. Gregory Trafton (Naval Research Laboratory, USA), and Severin Lemaignan (Plymouth University, U.K.).