Mia Rej (born 2 February 1990) is a Danish handball player for HØJ Elite.

[4] She made her debut on the national team on 9 March 2016 against Russia.

[7] She represented Denmark at the 2019 World Women's Handball Championship.

[8][9] She initially retired in 2023, but in January 2025 she made a comeback for the Danish second tier side HØJ Elite at the age of 35.

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