Leonardo Coelho Santos (born 10 April 1995 in Rio de Janeiro) is a Brazilian swimmer.

[5] At the 2019 World Aquatics Championships in Gwangju, South Korea, he finished 14th in the Men's 200 metre individual medley.

[6] At the 2019 Pan American Games held in Lima, Peru, he won a silver medal in the Men's 400 metre individual medley,[7] and a bronze medal in the Men's 200 metre individual medley.

[8] At the 2021 FINA World Swimming Championships (25 m) in Abu Dhabi, United Arab Emirates, in the Men's 4 × 200 metre freestyle relay, the Brazilian relay, composed by Breno Correia, Murilo Sartori, Kaique Alves and Fernando Scheffer, again obtained a medal, now bronze, maintaining the good performance of 2018, when Brazil won the gold beating the world record.

Coelho Santos won a medal for participating in the competition's heats.