Dalmacio is a Spanish and Galician masculine given name, derived from Latin Dalmatius.Dalmacio, behindthename.com. Retrieved 23 December 2024. Notable people with the name include:
Dalmacio Iglesias García (1879–1933), Spanish Carlist politician, mostly active in Catalonia Dalmacio Langarica (1919–1985), Spanish road racing cyclist, and later a directeur sportif Dalmacio Mera (born 1970), Argentine lawyer and politician Dalmacio de Mur y de Cervelló (died 1456), Spanish prelate of the fifteenth century Dalmacio Negro Pavón (1931–2024), Spanish philosopher, academic and author Dalmacio Vélez Sarsfield (1800–1875), Argentine lawyer and politician
See also Dalmacio Vélez Sarsfield, Argentina, locality in the province of Córdoba in central Argentina
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