| b>Country | Party |
| a href="/encyclopedia/Albania" title="Albania">Albania | Partia Aleanca Demokratike (Democratic Alliance) |
| a href="/encyclopedia/Andorra" title="Andorra">Andorra | Partit Liberal |
| a href="/encyclopedia/Austria" title="Austria">Austria | Liberales Forum |
| owspan=2 valign=center|Belgium | Vlaamse Liberalen en Democraten (Flemish Liberals and Democrats) |
| a href="/encyclopedia/Mouvement-Rformateur" title="Mouvement Rformateur">Parti Rformateur Libral (Reformist Movement) |
| a href="/encyclopedia/Bosnia-Herzegovina" title="Bosnia-Herzegovina">Bosnia-Herzegovina | Liberalno demokratska stranka (Liberal Democratic Party) |
| owspan=2 valign=center|Bulgaria | Dvizhenie za prava i svobodi (Movement for Rights and Freedoms) |
| a href="/encyclopedia/National-Movement-for-Simeon-II" title="National Movement for Simeon II">Nacionalno Dviženie Simeon Vtori (National Movement for Simeon II) |
| owspan=4 valign=center|Croatia | Hrvatska narodna stranka (Croatian People's Party) |
| a href="/encyclopedia/Croatian-Social-Liberal-Party" title="Croatian Social Liberal Party">Hrvatska socijalno liberalna stranka (Croatian Social Liberal Party) |
| a href="/encyclopedia/Liberal-Party-of-Croatia" title="Liberal Party of Croatia">Liberalna Stranka (Liberal Party) |
| a href="/encyclopedia/Party-of-Liberal-Democrats" title="Party of Liberal Democrats">LIBRA - Stranka liberalnih demokrata (Party of Liberal Democrats) |
| a href="/encyclopedia/Cyprus" title="Cyprus">Cyprus | Dimokratikon Komma (Democratic Party) |
| owspan=2 valign=center|Czech Republic | Cesta Zmĕny (Path for Change) |
| a href="/encyclopedia/Civic-Democratic-Alliance" title="Civic Democratic Alliance">Obcanska demokraticka aliance (Civic Democratic Alliance) |
| owspan=2 valign=center|Denmark | Venstre (Denmark's Liberal Party) |
| a href="/encyclopedia/Det-Radikale-Venstre" title="Det Radikale Venstre">Det Radikale Venstre (Danish Social-Liberal Party) |
| owspan=2 valign=center|Estonia | Eesti Keskerakond (Estonian Centre Party) |
| a href="/encyclopedia/Estonian-Reform-Party" title="Estonian Reform Party">Eesti Reformierakond (Estonian Reform Party) |
| owspan=2 valign=center|Finland | Suomen Keskusta (Finnish Centre Party) |
| a href="/encyclopedia/Swedish-People's-Party-(Finland)" title="Swedish People's Party (Finland)">Svenska Folkpartiet (Swedish People's Party) |
| a href="/encyclopedia/Germany" title="Germany">Germany | Freie Demokratische Partei (Free Democratic Party) |
| a href="/encyclopedia/Hungary" title="Hungary">Hungary | Szabad Demokratak Szvetsege (Alliance of Free Democrats) |
| a href="/encyclopedia/Ireland" title="Ireland">Ireland | Progressive Democrats |
| owspan=5 valign=center|Italy | I Democratici (Margherita) |
| a href="/encyclopedia/Rinnovamento-Italiano" title="Rinnovamento Italiano">Rinnovamento Italiano (Margherita) |
| a href="/encyclopedia/Lista-Di-Pietro" title="Lista Di Pietro">Italia dei Valori - Lista Di Pietro |
| a href="/encyclopedia/Movimento-Repubblicani-Europei" title="Movimento Repubblicani Europei">Movimento Repubblicani Europei |
| a href="/encyclopedia/Partito-Repubblicano-Italiano" title="Partito Repubblicano Italiano">Partito Repubblicano Italiano |
| a href="/encyclopedia/Latvia" title="Latvia">Latvia | Latvijas Ceļš (Latvian Way) |
| owspan=2 valign=center|Lithuania | Liberalų ir centro sąjunga (Liberal and Centre Union) |
| a href="/encyclopedia/New-Union" title="New Union">Naujoji sąjunga (New Union) |
| a href="/encyclopedia/Luxembourg" title="Luxembourg">Luxembourg | Parti Dmocratique / Demokratesch Partei (Democratic Party) |
| a href="/encyclopedia/Macedonia" title="Macedonia">Macedonia | Liberalna Partija na Makedonija (Liberal Party of Macedonia) |
| owspan=2 valign=center|Netherlands | Volkspartij voor Vrijheid en Democratie (People's Party for Freedom and Democracy) |
| a href="/encyclopedia/Democraten-66" title="Democraten 66">Democraten 66 (Democrats 66) |
| a href="/encyclopedia/Norway" title="Norway">Norway | Venstre (Liberal Party) |
| a href="/encyclopedia/Poland" title="Poland">Poland | Unia Wolnosci (Liberty Union) |
| a href="/encyclopedia/Romania" title="Romania">Romania | Partidul Naţional Liberal (National Liberal Party) |
| owspan=2 valign=center|Serbia and Montenegro | Liberali Srbije (Liberals of Serbia) |
| a href="/encyclopedia/Partia-Liberale-e-Kosoves" title="Partia Liberale e Kosoves">Partia Liberale e Kosoves (Liberal Party of Kosova) |
| a href="/encyclopedia/Slovakia" title="Slovakia">Slovakia | Aliancia Novho Občana (Alliance of the New Citizen) |
| a href="/encyclopedia/Slovenia" title="Slovenia">Slovenia | Liberalna demokracija Slovenije (Liberal Democracy of Slovenia) |
| owspan=2 valign=center|Sweden | Folkpartiet Liberalerna (Liberal People's Party) |
| a href="/encyclopedia/Centerpartiet" title="Centerpartiet">Centerpartiet (Centre Party) |
| a href="/encyclopedia/Switzerland" title="Switzerland">Switzerland | Parti Radical Dmocratique |
| owspan=2 valign=center|United Kingdom | Liberal Democrats |
| a href="/encyclopedia/Alliance-Party-of-Northern-Ireland" title="Alliance Party of Northern Ireland">Alliance Party of Northern Ireland |