Inn i evighetens mørke (English: Into Eternal Darkness) is the first EP by Norwegian symphonic black metal band Dimmu Borgir.

The EP was released by Necromantic Gallery Productions on 7-inch vinyl limited to 1000 copies.

The EP is included in the True Kings of Norway split-CD by Spinefarm Records, released in 2000; this version removes all vocals from Part I.

In 2003, a bootleg version on Hat Records was released, that only contained the two-part track "Inn i evighetens mørke" and "Raabjørn speiler draugheimens skodde" was not included on this release.

The track "Raabjørn speiler draugheimens skodde" would later be included on the band's debut album For all tid, and would also be re-recorded for Enthrone Darkness Triumphant and the Godless Savage Garden EP as well.