Mia Jolie Doucet Vallée (born March 22, 2001) is a Canadian diver in the springboard (1 and 3 metre) events.

Vallée made her national team debut at the 2016 FINA Grand Prix.

[1] At the 2022 FINA Grand Prix stop in Calgary, Vallée and partner Margo Erlam won the gold medal in the 3 metres synchro event, in their second competition together.

[2] Vallée's strong performances in 2022 led her to be named to 2022 World Aquatics Championships team.

[3] At the World Championships, Vallée won bronze in the one metre individual springboard event.