The following list contains a run down of politicians, individuals, Constituency Labour Parties, trade unions (both Labour Party affiliated and not), Socialist Societies, newspapers, magazines and other organisations that endorsed a candidate in the Labour Party (UK) leadership election, 2016
MPs
MEPs
Other Labour politicians
MPs
MEPs
Paul Brannen, MEP for North East England
Richard Corbett, MEP for Yorkshire and the Humber
Seb Dance, MEP for London
Theresa Griffin, MEP for North West England
Richard Howitt, MEP for the East of England
David Martin, MEP for Scotland
Linda McAvan, MEP for Yorkshire and the Humber
Catherine Stihler, MEP for Scotland
Derek Vaughan, MEP for Wales
Glenis Willmott, Leader of the European Parliamentary Labour Party since 2009; MEP for the East Midlands
Other Labour politicians
Jeremy Corbyn received the supporting nomination of 285 CLPs.
Owen Smith received the supporting nomination of 53 CLPs.
UNISON
Unite the Union (Unite)
Associated Society of Locomotive Engineers and Firemen (ASLEF)
Communication Workers Union (CWU)
Transport Salaried Staffs' Association (TSSA)
Union of Construction, Allied Trades and Technicians (UCATT)
Fire Brigades Union (FBU)
Bakers, Food and Allied Workers' Union (BFAWU)
General, Municipal, Boilermakers and Allied Trade Union (GMB)
Community
Musicians' Union (MU)
Union of Shop, Distributive and Allied Workers (USDAW)
Broadcasting, Entertainment, Cinematograph and Theatre Union (BECTU)
National Union of Mineworkers (NUM)
Prison Officers Association (POA)
National Union of Rail, Maritime and Transport Workers (RMT)
Disability Labour
Jewish Labour Movement
Labour Movement for Europe
Socialist Health Association (endorsed Jeremy Corbyn in 2015)
Young Labour
Alliance for Workers' Liberty (AWL)
Campaign for Labour Party Democracy (CLPD)
Disabled People Against Cuts (DPAC)
Rudimental, English drum and bass band
Labour Campaign for Nuclear Disarmament (Labour CND)
Lesbians and Gays Support the Miners (LGSM)
Labour Party Marxists
Labour Representation Committee
National Campaign Against Fees and Cuts
Stop the War Coalition (StWC)
UB40, English reggae band
Progress