Isabelle Pedersen (born January 27, 1992) is a Norwegian former track and field athlete who competed in hurdling.

In July 2013, Pedersen competed at the 2013 European U23 Championships and won gold in the final with a time of 13.12, ahead of Pole Karolina Kołeczek (13.30).

In 2017, Pedersen competed in 60 m hurdles in Meeting de Paris Indoor (9 Feb. 2017) where she got second place with a time of 8.02".

[9] In February 2017, Pedersen competed in Müller Indoor Grand Prix in Birmingham and she raced for 60m hurdles with a time of 8.22" in heats,[10] but did not reach finals.

[11] She participated in 2017 European Athletics Indoor Championships in Belgrade and competed on 3 March 2017 and reached the finals for 60m hurdles and was placed 5th with a time of 8.01".

[13] In July 2018, she set a new Norwegian record in 100 m hurdles with a time of 12.72 seconds at the London Athletics Meet.