Matthaios is a Greek given name. Notable people with the name include:
Matthaios Kamariotis (died 1490), Greek scholar of the Renaissance era Matthaios Kofidis (1855–1921), Greek businessman and member of the Ottoman parliament Matthaios Paranikas (1832-1914), Greek scholar Matthaios Tsahouridis (born 1978), Greek composer and musician of stringed instruments
See also Matthew (name)