Lucas Tramèr (born 1 September 1989) is a Swiss rower. He won gold at the 2016 Summer Olympics in the men's lightweight four, with Simon Schürch, Simon Niepmann and Mario Gyr. The team was coached by New Zealander Ian Wright. Tramèr has also won a number of gold medals at the World Rowing Championships. He also competed in the Men's lightweight coxless four event at the 2012 Summer Olympics.