The Libertas Institute is a lobby group that along with others successfully campaigned for a "no" vote in the 2008 referendum in Ireland on the Treaty of Lisbon.

Its mission statement was "...to initiate and provoke enlightened discussion on the European Union, its relevance to its member states and peoples and its role in World affairs having regard to our shared values of peace, democracy, individual liberty and free markets..."[1] The founders of the Libertas Institute were: Libertas Institute personnel included: The Libertas Charter (archived here) defined what was considered to be Europe's traditional values and influences, asserted what citizens' rights and responsibilities were, acknowledged the EU's role since WWII, stated that the present EU's structure was inherently undemocratic and unaccountable, and pledged to create a popular movement to debate Europe's future.

[12] The charter was signed by the following: The first Libertas Institute press release archived on the Wayback Machine dates to 22 June 2007.

[13][14] It concerned French President Nicolas Sarkozy and the Treaty of Lisbon's clause regarding free and undistorted competition:[13] an article by Ganley dated 16 July 2007 in Business Week covered similar themes.

[31] Activities undertaken by Libertas during the referendum were as follows: Several politicians, including Minister of State for European Affairs Dick Roche, clashed with the group's campaign stance[46] but the Sunday Business Post reported that the group's efforts at projecting its warnings about the treaty in the media were "hugely successful".