During the Greek bailout referendum, 2015 a number of newspapers, individuals, politicians, political parties and organisations in Greece, Europe and internationally issued endorsements for either 'NO' to accepting the Troika bailout terms or 'YES'.
Jeremy Corbyn, British Labour Party politician and leadership candidate
Tom Copley, Labour Party member of the London Assembly
Diane Abbott, British Labour Party MP and candidate for Mayor of London
Bernie Sanders, U.S. Senator and candidate for President of the United States
Giorgos Kaminis, mayor of Athens
Yiannis Boutaris, mayor of Thessaloniki
Andy Burnham, British Labour Party politician and leadership candidate
Jean-Claude Juncker, President of the European Commission
Martin Schulz, German MEP and President of the European Parliament
Thomas Piketty, French economist
George Galloway, British politician and broadcaster
Paul Krugman, American Nobel Prize winning economist
Owen Jones, British socialist newspaper columnist, political activist and writer
Joseph Stiglitz, American Nobel Prize winning economist
Jeffrey Sachs, economist
Steve Keen, British-based economist and author
Max Keiser, British-based broadcaster, financial commentator and film maker
Kim Dotcom, German-Finnish internet entrepreneur, businessperson and political activist
Harry Leslie Smith, British writer, political activist and former RAF fighter in World War II
Tariq Ali, British writer, film-maker and journalist
Christopher Pissarides, Cypriot-British economist
Ieronymos II of Athens, Archbishop of Athens, primate of the Church of Greece
This is the official list of endorsements by political parties as it was released by the Ministry of Interior:
Syriza, governing party of Greece
Independent Greeks, governing party of Greece
Golden Dawn, parliamentary opposition party in Greece
Anticapitalist Left Cooperation for the Overthrow, minor party
Agricultural Party of Greece, minor party
United Popular Front, minor party
Popular Unions of Bipartisan Social Groups, minor party
New Democracy (Greece), opposition party
To Potami, opposition party
Panhellenic Socialist Movement, opposition party
Democratic Left, minor party
Movement of Democratic Socialists (KIDISO), minor party
Recreate Greece, minor party
Apart from the parties listed above, the Communist Party of Greece called for the use of a write-in ballot option, "even if they say that it is a spoiled ballot". The Communist Party of Greece (Marxist-Leninist) and the Marxist-Leninist Communist Party of Greece ran a joint campaign for a boycott of the vote. The Organization for the Reconstruction of the Communist Party of Greece also called for a boycott of the vote, calling it a 'fascist farce'.
The News Line, British Trotskyist daily newspaper
Morning Star, British socialist daily newspaper
Greece Solidarity Campaign, British-based solidarity organisation
People's Assembly Against Austerity, British political campaign
Technical Chamber of Greece
Athens Bar Association
Panhellenic Federation of Teaching and Research Staff
Central Union of Greek Municipalities
Greek Regions Union