Marcelo Daniel Marques Santiago (born 18 March 1988) is a Portuguese football midfielder who plays for Beira-Mar.
Born in São João de Loure, Albergaria-a-Velha Municipality, he played in the youth team of S.C. Beira-Mar before moving to F.C. Porto where he played in the youth teams (U-19) between 2005 and 2007. In the season 2007âÂÂ08 he made his debut as a senior in Spain playing with Pontevedra CF B team in the Spanish Third League. The following season, he returned to Portugal and played the next 4 seasons in the Second Division B with 4 different clubs in each season, respectively S.C. Espinho, F.C. Pampilhosa, Gondomar S.C. and C.D. Tondela. In summer 2012 he moved abroad again, this time to Serbia, by signing with FK Jagodina. He failed to make any appearance in the Serbian SuperLiga and during the winter break he returns to Portugal and joins second level side Associação Naval 1ú de Maio.
Marcelo represented Portugal at U-17, U-18 and U-19 levels.