Sergiu Dadu (born 23 January 1981) is a Moldovan former footballer who played as a striker.

He was also a member of Moldova national football team.

He started his career at Sheriff Tiraspol and was loaned to Constructorul Chişinău in January 2002.

[1] In summer 2003, he left on loan to Alania Vladikavkaz along with Cristian Tudor.

This biographical article relating to Moldovan association football is a stub.