Marcelo Martelotte (born 10 December 1968) is a Brazilian professional football coach and former player who played as a goalkeeper. He is the current head coach of Sergipe.

Known as Marcelo in his playing days, Martelotte was born in Rio de Janeiro. A Taubaté youth graduate, he made his debut for the club in 1987. In 1989, he moved to Bragantino, being a regular starter in Vanderlei Luxemburgo's Série B and Campeonato Paulista winning campaigns.^[2]

After a short spell at Santa Cruz, Marcelo returned to Bragantino before joining Santos in 1997. A backup to Zetti at Peixe, he returned to Santa in 1999, and subsequently represented Sport Recife and his first club Taubaté, whom he retired in 2002 at the age of 34.^[2]

Martelotte started his managerial career at his last club Taubaté, being the manager of the club's youth sides. After a short spell at Palmeiras' under-20s, he was appointed assistant of Pintado in 2005.

In 2010 Martelotte returned to Santos, being named Dorival Júnior's assistant. On 22 September 2010, after the latter's dismissal, he was appointed interim manager;^[3] he was also in charge of the club in March of the following year, as a replacement to sacked Adílson Batista.^[4]

Martelotte was named Ituano manager on 9 May 2012.^[5] He was sacked on 4 September,^[6] and was appointed at the helm of Santa Cruz in December 2012.

On 24 May 2013 Martelotte moved to Santa Cruz's fierce rival Sport, after being crowned champions of the year's Campeonato Pernambucano.^[7] Sacked on 8 September,^[8] he was subsequently in charge of Náutico, Atlético Goianiense (two stints)^[9] and América-RN before returning to Santa Cruz on 13 June 2015;^[10] with the club in the relegation zone, he ended the year with a top level promotion, finishing second and winning all of the club's last six matches.