Mario Gyr (born 2 May 1985) is a Swiss rower.

He won gold at the 2016 Summer Olympics in the men's lightweight four with Lucas Tramèr, Simon Schürch and Simon Niepmann.

[1] The same team, coached by New Zealander Ian Wright,[2] also won this event in the 2015 World Championships.

[3] He also competed in the men's lightweight coxless four event at the 2012 Summer Olympics, finishing fifth.

This biographical article relating to Swiss rowing is a stub.