The 3rd Estonian SS Volunteer Brigade (German: 3. Estnische SS Freiwilligen Brigade) was a formation of the German Waffen SS during World War II. It was formed in May 1943, when the Estonian SS Legion (Estnische SS Legion) was upgraded. The first name chosen for the brigade was the Estonian SS Volunteer Brigade, until October 1943, when all SS brigades were numbered so it finally became the 3rd Estonian Volunteer Brigade. The brigade was expanded to a division and renamed on January 23, 1944.