Smaragdus (disambiguation)
Smaragdus stands for:
- Smaragdus (martyr) († 304), martyr, in connection with Cyriacus (saint) and Largus (saint)
- Smaragdus , Exarch of Ravenna (584 / 585–589 / 590, 603–608 [?])
- Ardo Smaragdus , OSB († 843), hagiographer, author of the Vita of Benedict von Aniane
See also:
- Emerald of Saint-Mihiel (8th century), exegete, grammarian, author of the first Carolingian prince mirror Via Regia
- Emerald , a green gemstone
