Cosmin Aurelian Olaroiu (born 10 June 1969) is a Romanian professional football manager and former footballer and is currently the head coach of Chinese Super League side Jiangsu Suning.
He is considered one of the greatest managers in the Arabian Peninsula, having led the most decorated clubs of Saudi Arabia, Qatar and United Arab Emirates – Al Hilal, Al Sadd, Al Ain and Al Ahli – to new trophies.
Olaroiu had some impressive results in his early coaching career before arriving in the region, in his country Romania.
In the 2001–02 season, National Bucharest under his managership became a challenger for the championship title.
However, they lost the leader position in the last game of the season, against Universitatea Craiova, and the title went to Dinamo Bucharest.
He won the Romanian League and the Supercupa României with Steaua Bucuresti, both in 2006, and led his side into the semi-finals of the UEFA Cup in the same year.He was named Romanian Coach of the Year in 2006.