Prince Waldemar of Schaumburg-Lippe (German: Waldemar Stephan Ferdinand Wolrad Friedrich Karl Prinz zu Schaumburg-Lippe; 19 December 1940 – 11 August 2020) was a German-born banker and member of the House of Schaumburg-Lippe. He was a twice great-grandson of Frederick VIII of Denmark; as such, he was a twice second cousin of Margrethe II of Denmark.