Mihai Marinescu (born 25 January 1989) is a professional Romanian racing driver formerly competing in the Formula Renault 3.5 Series.

At Montreal in June 2008 he was lucky to escape unhurt from a massive first lap crash involving Mikaël Grenier and Daniel Juncadella.

In March 2009, Marinescu took part in Formula Renault 3.5 Series pre-season testing for the Austrian Interwetten.com team before signing with them a few days before the first round of the season in Barcelona.

However, before the next round in Hungary, Marinescu left Interwetten.com and signed for the Italian RC Motorsport team to partner Pasquale Di Sabatino.

[8] Marinescu is an avid bicycle rider and keeps fit during the winter break by cycling in the mountains around his home city Braşov.