List of observers to the European Parliament may refer to:
List of observers to the European Parliament for East Germany, 1991–1994 List of observers to the European Parliament for Estonia, 2003–2004 List of observers to the European Parliament for Slovakia, 2003–2004 List of observers to the European Parliament for Hungary, 2003–2004 List of observers to the European Parliament for Slovenia, 2003–2004 List of observers to the European Parliament for Latvia, 2003–2004 List of observers to the European Parliament for Cyprus, 2003–2004 List of observers to the European Parliament for Malta, 2003–2004 List of observers to the European Parliament for Lithuania, 2003–2004 List of observers to the European Parliament for Poland, 2003–2004 List of observers to the European Parliament for the Czech Republic, 2003–2004 List of observers to the European Parliament for Bulgaria, 2005–2006 List of observers to the European Parliament for Romania, 2005–2006 List of observers to the European Parliament for Croatia, 2012–2013