His Excellency Maan Sassen
Sassen in 1968
Permanent Representative of the Netherlands to the European Union
In office 1 January 1971 – 1 January 1977
Preceded by	Unknown
Succeeded by	Unknown
European Commissioner for Competition
In office 30 June 1967 – 30 June 1970
President	Jean Rey
Preceded by	Hans von der Groeben
Succeeded by	Albert Borschette
Member of the European Parliament
In office 1 January 1958 – 13 February 1958
Parliamentary group	Christian Democratic Group
Constituency	Netherlands
Member of the European Coal and Steel Community Parliament
In office 10 September 1952 – 1 January 1958
Parliamentary group	Christian Democratic Group
Constituency	Netherlands
Member of the Senate
In office 13 November 1956 – 4 February 1958
In office 15 July 1952 – 6 November 1956
Parliamentary group	Catholic People's Party
Minister of Colonial Affairs
In office 7 August 1948 – 14 February 1949
Prime Minister	Willem Drees
Preceded by	Jan Jonkman
Succeeded by	Johan van Maarseveen
Member of the House of Representatives
In office 4 June 1946 – 7 August 1948
Parliamentary group	Catholic People's Party
Personal details
Born	Emmanuel Marie Joseph Antony Sassen (1911-09-11)11 September 1911 's-Hertogenbosch, Netherlands
Died	20 December 1995(1995-12-20) (aged 84) 's-Hertogenbosch, Netherlands
Political party	Christian Democratic Appeal (from 1980)
Other political affiliations	Catholic People's Party (1945–1980) Roman Catholic State Party (1938–1945)
Occupation	Politician

Emmanuel Marie Joseph Antony "Maan" Sassen (11 September 1911 – 20 December 1995) was a Dutch politician, who served as European Commissioner for Competition in the Rey Commission from 1967 to 1971.^[1]

Sassen studied law and earned a doctorate. From 1936 to 1950 he worked as a lawyer and district attorney. In 1939 he became a member of the States of North Brabant. In 1946 he was elected to the Dutch House of Representatives for the Katholieke Volkspartij (KVP). He served as Minister responsible for the Dutch Colonies (1948–1949) and as European Commissioner for Competition in the Rey Commission from 1967 to 1971.

He was a member of the Common Assembly of the European Coal and Steel Community from its establishment in 1952 and was the first President of the Christian Democratic group, the predecessor of the European People's Party Group.