Nicolas Nadeau (born September 30, 1997) is a retired Canadian competitive figure skater, Competing in pair skating with girlfriend Emmanuelle Proft, they are the 2023 CS Autumn Classic International bronze medallists.

This earned him a berth to the 2015 World Junior Championships in Tallinn, Estonia, but he missed qualifying for the free skate by one spot, having placed 25th in the short program.

In January 2016, Nadeau placed fifth on the senior level at the 2016 Canadian Nationals and was given Canada's sole spot in men's singles at the 2016 World Junior Championships in Debrecen, Hungary.

Competing in March at Junior Worlds, he qualified for the final segment by placing eighth in the short program and second in the free skate, winning the silver medal overall.

Nadeau withdrew from his JGP assignments due to an ankle injury, which occurred while practising a quad toe loop jump and took about three months to heal.

[5] He subsequently competed in the short program at his lone Grand Prix assignment for the year, the 2018 Internationaux de France, but withdrew for medical reasons.

At the 2019 Canadian Championships, Nadeau placed seventh in the short program after singling his triple Axel attempt and receiving a negative Grade of Execution on his quadruple toe loop.

[11] With the pandemic continuing to make it difficult to hold in-person events, the 2021 Skate Canada Challenge was held virtually, and Nadeau placed sixth.