Sevaio Mook (born in Amsterdam on 5 October 1996), better known by the stage name Sevn Alias, is a former Dutch rapper.

The son of a Surinamese father and a Surinamese-Antillean mother, he grew up in Amsterdam-West among North African youth and was affected by their music.

He was signed to Rotterdam Airlines label releasing mixtapes and albums.

In 2018, he had a supporting role in video series Mocro Maffia.

A fan of AFC Ajax, he released the single "Herres" as promotion for AFC Ajax's success in the Champions League.