This document provides technical notes on nutrition of older people (aged 50 and above) in emergencies. It begins with an overview of ageing demographics and the active roles older people play. It then discusses vulnerabilities and rights of older people in emergencies. The document examines determinants of undernutrition in older people and techniques for assessing nutritional status and vulnerability. It presents a range of food and non-food interventions to support nutritional wellbeing of older people in humanitarian settings.