Sergiu Cosmin Bar (born 19 March 1980) is a Romanian former footballer who played as a defender, currently assistant coach at Liga II club Afumați.

UM Timișoara

• Divizia C: 1998–99

Victoria Brănești

• Liga II: 2009–10
• Liga III: 2008–09

Afumați

• Liga III: 2015–16

• Sergiu Bar at RomanianSoccer.ro (in Romanian)
• Sergiu Bar at Soccerway
• Sergiu Bar at fupa.net