Marcio Tsongo Lassiter (born May 16, 1987) is a Filipino-American professional basketball player who plays for the San Miguel Beermen of the Philippine Basketball Association. He had a stint with the Philippine national basketball team, the Smart Gilas. Considered the best all-around sharpshooter in the PBA when Smart Gilas played as a guest team in the league, Lassiter plays the swingman position. He graduated and played college basketball for Cal State Fullerton.