Marcelo Zormann da Silva (born 10 June 1996) is a Brazilian tennis player.

Zormann along with Orlando Luz won the 2014 Wimbledon boys' doubles title after defeating Stefan Kozlov and Andrey Rublev 6–4, 3–6, 8–6 in the final.

He reached the top 100 in the doubles rankings on 15 April 2024 at world No.

He made his Grand Slam debut at the 2024 French Open as an alternate pair partnering Orlando Luz.

This biographical article relating to Brazilian tennis is a stub.