Oliver Levi Seibert (March 18, 1881 in Berlin, Ontario - May 15, 1944) was a Canadian professional ice hockey forward.
He played in the Ontario Hockey Association until 1904. Seibert then moved to the early professional leagues in Michigan and later to a pro league back home in Ontario.
He is the father of Earl Seibert. He was inducted into the Hockey Hall of Fame in 1961.