Sergiu Costin

Sergiu Ioan Viorel Costin (born 21 November 1978) is a Romanian former football player who played as a defender for teams such as Gloria Bistrița, Unirea Dej. Olimpia Satu Mare, Oțelul Galați or Someșul Dej, among others.

Oțelul Galați

 * Liga I: 2010–11
 * Supercupa României: 2011