Smaragdus (name)

Smaragdus ({{langx|grc|Σμάραγδος}}, Smaragdos) is a Latin masculine given name of ultimately Semitic origin, meaning "emerald". It may refer to:

• Saint Smaragdus (d. c. 303), Roman Christian martyr, companion of Cyriacus
• Saint Smaragdus (d. 320), one of the Forty Martyrs of Sebaste
• Smaragdus (fl. 585–611), Byzantine administrator
• Ardo Smaragdus (died 843), hagiographer
• Smaragdus of Saint-Mihiel (d. c. 840), Benedictine monk