Social Democratic Union may refer to:
*
Social Democratic Union (Croatia)
Social Democratic Union may refer to:
*Social Democratic Union (Croatia)
*Social Democratic Union (Ireland), started by Tommy Broughan in 2014 after he left the Labour Party
*Social Democratic Union (Latvia)
*Social Democratic Union (Serbia)
*Soci ...
*
Social Democratic Union (Ireland)
Thomas Broughan (born 1 August 1947) is an Irish former Independent politician who served as a Teachta Dála (TD) from 1992 to 2020.
He sat as a TD for the Labour Party until late 2011, representing the Dublin North-East constituency from 199 ...
, started by Tommy Broughan in 2014 after he left the Labour Party
*
Social Democratic Union (Latvia)
The Social Democratic Party (, SDP; formerly Social Democratic Union, , SDS) was a political party in Latvia formed by a splinter group from the Latvian Social Democratic Labour Party (LSDSP) after the leader of the LSDSP faction in the Saeima, ...
*
Social Democratic Union (Serbia)
The Social Democratic Union (; abbr. СДУ, SDU) was a minor social democratic and leftist political party in Serbia. In 2020 Party merged into Party of the Radical Left.
History
The Social Democratic Union was registered on 13 May 1996. It w ...
*
Social Democratic Union (Romania)
The Social Democratic Union (, USD) was an electoral alliance established on 27 September 1995 between the Democratic Party (PD) and the Romanian Social Democratic Party (PSDR). The alliance was formed to participate in the 1996 Romanian genera ...
*
*
Social Democratic Union of Macedonia
The Social Democratic Union of Macedonia ( – СДСМ, ''Socijaldemokratski sojuz na Makedonija'' – SDSM, – LSDM) is a social democracy, social democratic List of political parties in North Macedonia, political party, and the main Centre-l ...
*
Social Democratic Union of Workers and Smallholders
Social Democratic Union of Workers and Smallholders (, TPSL) was a political party in Finland. TPSL originated as a fraction of the Social Democratic Party of Finland, headed by Emil Skog and Aarre Simonen. Skog was the former chairman of SDP and ...
, a political party in Finland
*
Social Democratic Union 'Proletarian'
Social Democratic Union 'Proletarian' was a political party organization in Bulgaria from 1906 until 1908. The organization was led by Dimitar Blagoev, who had been expelled from the Narrow Socialists for being an "anarcho-liberal". 'Proletarian' ...
, a political party in Bulgaria
*
Social Democratic Unionists
The Social Democratic Unionists ( - ''al-Wahdawiuyun al-Dimukatiyyun Al-Ijtima'iyyun'') was a political party in Syria.
Controlled by the government, it was part of the National Progressive Front (NPF) of legally licensed parties which suppor ...
, a political party in Syria
*
Polish Social Democratic Union
The Polish Social Democratic Union (, PUS) was a social-democratic political party in Poland that existed from 1989 to 1992. It was founded in 1989 under the name Social Democratic Union (''Unia Socjaldemokratyczna''), under the leadership of Tade ...
, defunct political party in Poland
{{disambig, political