Rastenburger SV (also known as SV Rastenburg) was an ice hockey team in Rastenburg, Germany (present-day Kętrzyn, Poland). They were a member of the sports club of the same name, founded in 1908. They won the East Prussian Championship ten times between 1929 and 1941. The club also played in the German Championship in most years between 1934 and 1942. In 1935 they finished tied for first in Group B with SC Riessersee, but lost to them 1-0 in overtime in the tiebreaker game. The club was dissolved in 1945 after Rastenburg became a part of Poland due to the events of World War II.