Moderate Socialists Party

{{redirect|Moderates Party|other uses|Moderate Party (disambiguation)}}

{{Infobox political party

| name = Moderate Socialists Party

| colorcode = #00517c

| leader = Disputed

| foundation = 1909

| dissolved = 1918

| leader1_title = Parliamentary leader

| leader1_name = Mohammad-Sadegh Tabatabaei

| newspaper = Waqt
Majles

| successor = Reformers' Party{{cite book|last=Abrahamian|first=Ervand|author-link=Ervand Abrahamian|year=1982|title=Iran Between Two Revolutions|isbn=0-691-10134-5|publisher=Princeton University Press|pages=[https://archive.org/details/iranbetweentwore00abra_0/page/105 105–106, 120]|url-access=registration|url=https://archive.org/details/iranbetweentwore00abra_0/page/105}}

| religion = Islam

| ideology = Moderation
Gradualism{{cite book|last=Katouzian

|first=Homa|author-link=Homa Katouzian|year=2006|title=State and Society in Iran: The Eclipse of the Qajars and the Emergence of the Pahlavis|series=Library of modern Middle East studies|volume=28|isbn=1845112725|publisher=I.B.Tauris|page=57}}
Conservatism{{cite book|last=Cronin|first=Stephanie|year=2013|title=Reformers and Revolutionaries in Modern Iran: New Perspectives on the Iranian Left|series=Routledge/BIPS Persian Studies Series|isbn=978-1134328901|publisher=Routledge|page=71}}
Constitutionalism

| country = Iran

}}

Moderate Socialists ({{langx|fa|اجتماعیون اعتدالیون|Ejtemāʿīyūn-e eʿtedālīyūn}}) or simply Moderates Party ({{langx|fa|فرقه اعتدالیون}}), was a political party in Qajari Persia and one of the two major parties of the constitutional period alongside its parliamentary rival Social Democratic Party–Democrat Party.{{cite encyclopedia|title =CONSTITUTIONAL REVOLUTION v. Political parties of the constitutional period|encyclopedia=Encyclopædia Iranica|date=October 28, 2011|orig-year=December 15, 1992|publisher=Bibliotheca Persica Press|location=New York City|url =http://www.iranicaonline.org/articles/constitutional-revolution-v|volume= VI|last1= Ettehadieh|first1=Mansoureh|author-link=Mansoureh Ettehadieh|editor-last=Yarshater|editor-first=Ehsan|editor-link=Ehsan Yarshater|access-date=September 12, 2016|series=Fasc. 2|pages=199–202}} It was Iran's first right-wing political party.{{cite book |last1=Matin-Asgari|first1=Afshin|authorlink1=:fa:افشین متین عسگری |title=Both Eastern and Western: An Intellectual History Of Iranian Modernity|date=2018|publisher=Cambridge University Press|location=Cambridge |isbn=978-1-108-42853-8|page=45}}