Marcus Santos-Silva (born June 7, 1997) is an American professional basketball player for Saint-Quentin of the LNB Pro A.

During his freshman season at Taunton High School, he decided to focus on basketball after he had a growth spurt and defenders began targeting his knees.

[4][3] In the Atlantic 10 Tournament, Santos-Silva contributed 26 points and 22 rebounds in a quarterfinal loss to Rhode Island, VCU's first 20 and 20 game since Kendrick Warren in 1991.

[7] He finished his bachelor's degree in Homeland Security and Emergency Preparedness in the summer of 2020, and was eligible for Texas Tech immediately.

In his Texas Tech debut on November 25, Santos-Silva finished with 10 points and 12 rebounds in a 101–58 win against Northwestern State.

[10] Santos-Silva signed with the Cleveland Browns as an undrafted free agent on May 2, 2022, to play tight end.