Lieuwe Albertsma (born 1987 in Weesp, Netherlands), known by his stage name Wulf, is a Dutch musician.
In 2012 he participated in The Voice of Holland, failing to get past the auditions stage.
Wulf performed as an interval act at the Eurovision Song Contest 2021 final in Rotterdam alongside Afrojack and Glennis Grace with a pre-recorded version of Afrojack's "Ten Feet Tall" on the Erasmus Bridge.