Concini (also spelled with the prefix De) is a surname. Notable people with the name include:
Concini
de Concini
De Concini
DeConcini
- Dennis DeConcini (born 1937), American lawyer, philanthropist, politician and former U.S. senator from Arizona
- Evo Anton DeConcini (1901âÂÂ1986), American judge who served as Attorney General of Arizona, and a justice of the Arizona Supreme Court
- John DeConcini (1918âÂÂ1998), American labor union leader