Marcelo Caiazzo (born January 1, 1977) is a Brazilian pornographic actor, model, content creator and entrepreneur from Rio de Janeiro. After gaining an audience through independently produced adult content, Caiazzo expanded into international studio productions, appearing for BelAmi, NakedSword and other European and American companies. He was part of the ensemble cast of the 2023 NakedSword and Rhyheim Shabazz production "Blame It on Rio", whose group scene won Best Group Sex Scene at the 2024 GayVN Awards. In July 2023, Caiazzo announced his retirement from adult entertainment to focus on his sex-shop business, BOS For All, but later returned to performing, with new appearances in 2026 for TimTales and Men.com.
