What constitutes a risk for a person living with dementia may be perceived and prioritised differently by nurses from varying clinical backgrounds. Furthermore, risk may be perceived differently according to the context. This article outlines some of the social, psychological and physical risk factors relevant to people living with dementia across the life course of the condition. It is important that nurses understand their role in identifying, assessing and managing risk and are aware of the resources, policies, legislation and processes designed to support decision-making and minimise the risk of harm to people living with dementia, their families and carers. The authors hope that this article will support nurses to become more confident in identifying risk while encouraging them to adopt a proactive and person-centred approach to risk assessment and management.