Charles Spaak was a Belgian screenwriter who was noted particularly for his work in the French cinema during the 1930s. He was the son of the dramatist and poet Paul Spaak, the brother of the politician Paul-Henri Spaak, and the father of the actresses Catherine Spaak and Agnès Spaak.

Paul-Henri Charles Spaak was an influential Belgian Socialist politician, diplomat and statesman. Along with Robert Schuman, Alcide De Gasperi and Konrad Adenauer he was a leader in the formation of the institutions that evolved into the European Union.