Hando Ruus (birth name Harald-Ferdinand Ruhs was changed on August 1, 1939; May 16, 1917 - March 31, 1945 (probable)) was an Estonian SS-Hauptsturmführer (Captain) in World War II, serving in Battalion "Narva" and in the 20th Waffen Grenadier Division of the SS (1st Estonian). His nickname was Tou.After graduation of art school Ruus joined Estonian Army serving in 10th Independent Infantry Battalion.