Silje Ekroll Jahren (born 10 May 1988) is a Norwegian orienteering competitor and junior world champion.

Jahren won a gold medal in the relay at the 2007 Junior World Orienteering Championships in Dubbo, Australia, together with Kine Hallan Steiwer and Siri Ulvestad, in a close race with the Swedish team.

[1][2] She received a silver medal in sprint at the 2008 Junior World Orienteering Championships in Gothenburg, Sweden, finishing less than two seconds behind winner Emma Klingenberg.

[4] Her mother club is Raumar (Ullensaker), but she now represents Sävedalen AIK.

In the last world cup of 2019, held in China at the end of October, she ranked 68.