As Ontario seeks to incorporate community engagement strategies in its regional health planning through the new LHINs, it may be useful to look to other Canadian and international experiences. Other Canadian provinces have regionalized their health care service planning and coordination, and regional health authorities in other provinces have a variety of community engagement strategies. Since 2002, the U.K. has had extensive experience with system-wide, institutionalized community engagement in health care decision-making and priority-setting. This backgrounder briefly reviews a selection of Canadian and UK community engagement strategies.