Demario or DeMario is an American masculine given name with several possible origins. It may be a combination of the element de and the Italian name Mario, which could be simply ornamental or mean 'son of Mario', or a variant of Damaris, which means 'dominant woman' or 'calf; heifer'. It is often found among African Americans.
Notable people with the given name include:
Demario Beck (born 1994), American football player Demario Davis (born 1989), American football player Demario Douglas (born 2000), American football player DeMario Mayfield (born 1991), American-born Iraqi basketball player DeMario Minter (born 1984), American football player DeMario Pressley (born 1985), American football player Demario Richard (born 1996), American football player Demario Warren (born 1985), American football coach and player Moneybagg Yo (real name DeMario White; born 1991), American rapper