  This volume contains the proceedings of the 3rd International Workshop on
Formal Aspects of Virtual Organisations (FAVO 2011). The workshop was held in
Sao Paulo, Brazil on October 18th, 2011 as a satellite event to the 12th IFIP
Working Conference on Virtual Enterprises (PRO-VE'11). The FAVO workshop aims
to provide a forum for researchers interested in the application of formal
techniques in the design and analysis of Virtual Organisations.

Multiagent Systems