Igor Fábio Mascarenhas Sani (born 28 December 1986) is a footballer who plays for Portuguese team Vialonga, as a centre forward. Born in Portugal, he played for Guinea-Bissau at international level.
Born in Lisbon, Sani has played club football in Portugal and Switzerland for Odivelas B, Loures, Igreja Nova, Torreense, Farense, Fátima, Frauenfeld, Vila Franca do Rosário, AC Malveira, and Vialonga.
He made his senior international debut for Guinea-Bissau in 2014, earning two caps.