Heidi Salminen (born 4 December 2003)[1] is a Finnish athlete who specializes in the 400 metres hurdles.

In 2021, still 17, she won a gold medal at the World Under 20 Championships as the first Finland's female track medallist ever at such world junior competitions.

Heidi improved her pre-championship best by over two seconds, while all four other top women also achieved their lifetime bests.

[2][3] Her personal best in the 400m hurdles is 56.94 seconds (2021 Nairobi).

This biographical article relating to Finnish athletics is a stub.