Jozef Maria Laurens Theo "Jo" Cals fue un político neerlandés del Catholic People's Party (KVP) y jurista que se desempeñó como Primer Ministro de los Países Bajos desde el 14 de abril de 1965 hasta el 22 de noviembre de 1966.
- Occupation
- politician, lawyer, university teacher
- Position held
- Prime Minister of the Netherlands, member of the House of Representatives of the Netherlands, member of the House of Representatives of the Netherlands, member of the House of Representatives of the Netherlands
