Union of Left-Democratic Parties

{{short description|Political party}}

{{Infobox political party

| native_name = اتحاد احزاب چپ دموکراتیک

| colorcode = {{party color|People's Democratic Party of Afghanistan}}

| foundation = November 1987

| dissolved = May 1992

| affiliation1_title = Members

| affiliation1 = PDPA
JAZA
SeZA

| country = Afghanistan

}}

Union of Left-Democratic Parties ({{langx|fa|اتحاد احزاب چپ دموکراتیک}}) was an alliance of political parties in the Democratic Republic of Afghanistan. The Union was formed in November 1987, in a process of opening a multi-party system in the country. The founders of the Union were the governing People's Democratic Party of Afghanistan, Revolutionary Toilers Organisation of Afghanistan and the Toilers Organisation of Afghanistan. The Peasants Justice Party of Afghanistan participated as an observer.{{cite web|url=http://www.kas.de/db_files/dokumente/7_dokument_dok_pdf_9674_2.pdf|title=Archived copy|access-date=September 22, 2013|url-status=dead|archiveurl=https://web.archive.org/web/20130524194344/http://www.kas.de/db_files/dokumente/7_dokument_dok_pdf_9674_2.pdf|archive-date=May 24, 2013}}

The Young Workers Organisation of Afghanistan and the Alliance of Peace and Progress Fighters of Afghanistan joined the alliance sometime around 1988–1989.