Deac

Deac is a surname. Notable people with the surname include:


 * Augustin Deac (1928–2004), Romanian author
 * Bogdan-Daniel Deac (born 2001), Romanian chess grandmaster
 * Ciprian Deac (born 1986), Romanian footballer
 * Gabriel Deac (born 1995), Romanian footballer
 * Ioan Pap-Deac (born 1969), Romanian footballer