Universe Awareness has been endorsed by the following individuals:

• Prof. Catherine Cesarsky: Former President of the International Astronomical Union (2006 - 2009)
• Prof. Robert Williams: President of the International Astronomical Union (2009 - 2012)
• Prof. Ron Ekers: Former President of the International Astronomical Union (2003 - 2006)
• Sir Bob Geldof: Musician, philanthropist and activist
• Prof. Riccardo Giacconi: 2002 Nobel Prize winner
• Prof. Federico Mayor Zaragoza: President of the Foundation for a Culture of Peace
• Prof. Michel Mayor: Discoverer of exoplanets
• Dr. Khotso Mokhele: First President of the South African National Research Foundation (1999 - 2006)
• Sir Martin Rees: Former President of the UK's Royal Society
• Prof. Joseph Taylor: 1993 Nobel Prize winner
• Prof. Charles Townes: 1964 Nobel Prize winner
• Daoud Hari, author of The Translator

Universe Awareness has been endorsed by the following organisations:

• ASTRON: Netherlands Foundation for Research in Astronomy
• IUPAP: International Union of Pure and Appllied Physics
• KNAW: Royal Netherlands Academy of Arts and Sciences
• LDI: Learning Development Institute
• LOFAR: The LOFAR Foundation, The Netherlands
• NOVA: The Netherlands Research School in Astronomy
• SRON: Netherlands Institute for Space Research
• UNOSAT, United Nations Institute for Training and Research Operational Satellite Applications Programme
• CERN, Switzerland
• Zentrum für Astronomie of Universität Heidelberg, Germany