Emer was the daughter of Forgall Monach and the wife of the hero Cú Chulainn in the Ulster Cycle of Irish mythology
Emer or EMER may also refer to:
People Given name: Emer (female name), Irish name derived from the mythological figure Emer, variant of Éibhear, Irish male name Emerich, sometimes abbreviated Emer Emer de Vattel (1714–1767) French philosopher, diplomat, and jurist Emer, Jaredite king in the Book of Mormon; see Surname: Joel Emer (born 1954), microprocessor architect and computer performance analyst Michel Emer (Emer Rosenstein; 1906–1984), French songwriter
Other LÉ Emer, 1978–2013 offshore patrol vessel of the Irish Naval Service Emer-class offshore patrol vessel, eponymous Irish Naval Service class EMER-K1, bullpup assault rifle made in Myanmar Emer (Shadow World), a continent on Kulthea in the Shadow World role-playing game campaign setting Emer Bog and Baddesley Common, nature reserve north of North Baddesley, Hampshire, UK
See also Cultivars of the Chinese Elm (Ulmus parvifolia): Emer I, "Emerald Isle" Emer II, "Emerald Vase"