The acronym CSU may refer to:

Horst Lorenz Seehofer (born 4 July 1949) is a German politician (CSU). He served as the Federal Minister for Health and Social Security from 1992 to 1998 and as the Federal Minister of Food, Agriculture and Consumer Protection in the cabinet of Angela Merkel from 2005 to 2008. In October 2008 he became chairman of the CSU and Minister-President of Bavaria.

He is married to Karin Seehofer.

He has been a member of the Lower House of the German Parliament (Bundestag) in Germany since 1980. Horst Seehofer was Federal Minister for Health and Social Security from 1992 to 1998 in the cabinet of Helmut Kohl. He then became assistant chairman of the CDU/CSU parliamentary group of the Bundestag in October 1998. Because of his disagreement with flat-rate contributions (Gesundheitsprämie) to the federal health insurance he resigned from his post on 22 November 2004 but remained the assistant chairman of the CSU and kept his mandate. Since joining the Bundestag Horst Seehofer has kept his mandate as a directly elected delegate (Direktkandidat) from his Constituency Ingolstadt. At the 2005 federal election he received 65.9 percent of the votes in his district. Seehofer was appointed Federal Minister of Food, Agriculture and Consumer Protection in the cabinet of Angela Merkel and stayed in office from 2005 to 2008.

Peter Gauweiler (born June 22, 1949 in Munich, Bavaria) is a German politician, and a member of Bavaria's Christian Social Union (CSU) in the German Bundestag. Since 2006, Gauweiler is the Chairman of the Sub-Committee on Foreign cultural and educational policies of the Foreign Affairs Committee of the German Bundestag. From 1990 to 1994, he was Bavarian State Minister for Regional Development and Environment.

In 2008, Gauweiler challenged the German ratification of the Treaty of Lisbon, claiming the treaty unconstitutional. Gauweiler launched a similar challenge to the European Constitution in 2005, but after its failure the Constitutional Court made no ruling and a presidential signature was never given.

Christian Ude (born October 26, 1947 in Munich) is the current mayor of Munich. He is a member of the German Social Democratic Party.

Additionally, Ude was a member of the board of directors of the football (AE: soccer) club TSV 1860 München until 2009.

After his career as a journalist and lawyer, he was elected as deputy mayor of Munich on May 2, 1990.

On September 12, 1993, Ude was elected as lord mayor and successor of Georg Kronawitter. He was re-elected three times, on June 13, 1999 with 61.2 per cent of all votes, on March 3, 2002 with 64.5 per cent and on March 2, 2008 with 66.8 per cent. He may not run for another term in 2014 because of age limitations. In August 2011 Christian Ude announced his attention to become the SPD's leading canditate for the upcoming Bavarian state election in 2013.

In 2005, Ude was elected to the post of President of the German cities association.

Aside from his position as lord mayor, Ude is also political cabaret artist.

Ude is married to Edith von Welser-Ude since 1984, he for the first time, she for the second time.

Alexander Dobrindt (born June 7, 1970 in Peißenberg, Bavaria) is a German politician, that since 2009 serves as the Executive Secretary of the Christian Social Union of Bavaria.

M.P. Alexander Dobrindt graduated from the Weilheim Highschool in 1989 and continued his studies in the Ludwig Maximilian University of Munich finishing with a Master of Arts in Sociology in 1995. After obtaining his degree, he worked in an engineering company as a Financial Director from 1996 to 2001 and as a Managing Director from 2001 to 2005.

He joined the Junge Union (Junior party of the C.S.U.) in 1986 and 4 years later the Christian Social Union of Bavaria. He has been a member of the German National Parliament (Bundestag) since 2002 that he won the direct mandate in the Parliamentary Constituency of Weilheim gathering the 59,4% of the votes. Since 2009, he serves as the District-Chairman of the C.S.U. Weilheim-Schongau.

M.P. Alexander Dobrindt has been married since 2006.