Andrei Tiberiu Maria (Romanian pronunciation: [anˈdrej tiˈberju maˈri.a]; born 27 July 1983), better known by his stage name Smiley, is a Romanian singer, songwriter, record producer, actor and television presenter, from Pitești. He was part of the pop groups Simplu (2001–2011) and Radio Killer (2009–2015). As a solo artist, Smiley started in 2007 and has become one of Romania's biggest pop artists, archiving 14 number ones and more than 30 Top20 singles.

In 2013, he won "Best Romanian Act" during the MTV Europe Music Awards held in Amsterdam. He had been nominated as a solo act three times for the same award in 2008, 2009 and 2011 and twice in 2006 and 2007 as part of Simplu. He is part of the Romanian Euro-House project Radio Killer where he is known as Killer 1. As of November 2013, he is the new Goodwill Ambassador for UNICEF Romania.

He is also a television personality, having hosted Românii au talent (2011–present) and being a coach in Vocea României (2011–present).