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.
Dadu was born in Chià ÂinÃÂu. He started his career at Sheriff Tiraspol and was loaned to Constructorul Chià ÂinÃÂu in January 2002. He played the league rival until January 2003. In summer 2003, he left on loan to Alania Vladikavkaz along with Cristian Tudor.
Dadu was left for CSKA Moscow in summer 2004, but left on loan to Alania Vladikavkaz again in 2005 season.
He played 5 games in UEFA Euro 2008 Qualifying and 9 games in 2006 FIFA World Cup qualification (UEFA).