Mădălin Ştefan Voicu (born 10 July 1952, in Bucharest) is a Romanian musician and politician of Romani ethnicity.
Voicu is a member of the Social Democratic Party (PSD) and has been a parliamentarian in the Chamber of Deputies since 1996.
He is one of only two ethnic Romani politicians in the current parliament; the other is Nicolae Păun, who holds the seat specifically reserved for a member of the Romani minority.
Voicu graduated from the National University of Music, completed training as a conductor at various schools abroad, and was employed by orchestras in Craiova and Ploiești.
Voicu was elected to the seat reserved for minorities in the 1996-2000 legislature before running on the common PDSR-PSD list in 2000.