Marco Randrianantoanina (born 24 August 1983) is a football left back who also played as a left midfielder.
He is of Malagasy descent and is a member of the Madagascar national football team, as is his brother Claudio.
On 18 January 2008 Randriana collapsed after suffering from a heart attack during Niort game with Sedan.
He lost consciousness and was treated on the pitch with a defibrillator.
He was transferred to hospital where his condition improved.