Serbian Social Democratic Party (Kingdom of Serbia)

Serbian Social Democratic Party
Српска социјалдемократска партија
LeaderDragiša Lapčević
Dimitrije Tucović
Dušan A. Popović
Founded2 August 1903
Dissolved25 April 1919
Merged intoSRPJ(k)
NewspaperRadničke novine
(The Workers' Journal)
Ideology
Political positionLeft-wing to far-left
International affiliationSecond International

The Serbian Social Democratic Party (Serbian: Српска социјалдемократска партија, romanized: Srpska socijaldemokratska partija; abbr. ССДП or SSDP), also known simply as the Serbian Socialist Party was a left-wing political party in Kingdom of Serbia that was formed in 1903. Prominent leaders included Dimitrije Tucović, Dragiša Lapčević, and Dušan A. Popović.

It ceased to exist after World War I with the creation of the Kingdom of Serbs, Croats and Slovenes, when in 1919 the social democrats joined the new Socialist Workers' Party of Yugoslavia (of Communists) (Socijalistička radnička partija Jugoslavije (komunista)), the predecessor of the Communist Party of Yugoslavia.