Nicolau Mir Rosselló (born 10 May 2000) is a Spanish artistic gymnast who represented Spain at the 2020 Summer Olympics.

[4] In summer 2021 Mir was named to the team to represent Spain at the postponed 2020 Olympic Games alongside Néstor Abad, Thierno Diallo, and Joel Plata.

At the 2022 World Championships he helped Spain finish sixth, which matched their previous highest placement record set in 2007.

[8] In Summer of 2023 Mir at the Tel Aviv World Challenge Cup where he won silver on floor exercise behind Krisztofer Mészáros.

In July Mir was selected to represent Spain at his second Olympic Games alongside Néstor Abad, Thierno Diallo, Joel Plata, and Ray Zapata.