The League of Socialist Youth (Bosnian: Savez socijalističke omladine, SSO) was a political party in Bosnia and Herzegovina.
The SSO contested the 1990 parliamentary elections in an alliance with the Democratic Socialist Alliance and the Democratic Alliance of Greens, with the parties winning one seat each. The party also put forward candidates in the presidency elections in alliance with the Democratic Party, although none were successful.
The party did not contest any further elections.