Marius Ioan Bilașco (born 13 July 1981 in Sighetu Marmaţiei, Maramureş) is a former Romanian footballer.
In October 2009, he scored his first UEFA Champions League goal in a 4–1 away win against Rangers FC.
On 31 August 2010, he signed a contract with Steaua Bucureşti alongside team mates from Unirea Urziceni: Galamaz, Ricardo, Marinescu, Apostol, Onofraş and Brandán.