| ADA | Alianţa Dreptate şi Adevăr Justice and Truth Alliance
 | since 2004 | 31.5% |  | 11 |  | 
      
      
        | ALDE | Alianța Liberalilor și Democraților Alliance of Liberals and Democrats
 | since 2015 | 5.6% |  | 15 |  | 
      
      
        | ApR | Alianta pentru Romania Alliance for Romania
 | 1997–2000 | 4.1% |  | 2 |  | 
      
      
        | AUR | Alianța pentru Unirea Românilor Alliance for the Union of Romanians
 | since 2019 | 9.1% |  | 7 |  | 
      
      
        | AUL | Alianţa pentru Unitatea Românilor Alliance for Romanian Unity
 | 1990–1990 | 2.1% |  | 2 |  | 
      
      
        | PSDPC | Alianța PSD+PC Alliance PSD+PC
 | 2008–2010 | 33.1% |  | 7 |  | 
      
      
        | ARD | Alianţa România Dreaptă Right Romania Alliance
 | 2008–2012 | 16.7% |  | 9 |  | 
      
      
        | CDR | Convenţia Democrată Română Romanian Democratic Convention
 | 1992–2000 | 30.2% |  | 14 |  | 
      
      
        | FC | Forța Civică Civic Force
 | 2004–2014 | 2.6% |  | 7 |  | 
      
      
        | FD | Forța Dreptei Force of the Right
 | since 2021 | 2.1% |  | 1 |  | 
      
      
        | FDGR | Forumul Democrat al Germanilor din România 
          · (
          German: Demokratisches Forum der Deutschen in Rumänien
          ) Democratic Forum of Germans of Romania
 | since 1989 | 0.3% |  | 4 |  | 
      
      
        | FDSN | Frontul Democrat al Salvării Nationale Democratic National Salvation Front
 | 1992–1993 | 36.6% |  | 9 |  | 
      
      
        | FP | Frontul Plugarilor Ploughmen's Front
 | 1933–1953 | 68.8% |  | 5 |  | 
      
      
        | FRN | Frontul Renașterii Naționale National Renaissance Front
 | 1938–1940 | 100.0% |  | 4 |  | 
      
      
        | FSN | Frontul Salvării Naţionale National Salvation Front
 | 1990–1992 | 66.4% |  | 12 |  | 
      
      
        | GML | Garda de fier / Mișcarea Legionară Iron Guard / Legionnaire movement
 | 1927–1941 | 15.8% |  | 3 |  | 
      
      
        | GDC | Grupul Democrat de Centru Democratic Group of the Centre
 | 1990–1990 | 0.5% |  | 3 |  | 
      
      
        | LA | Liga Agrară Agrarian League
 | 1931–1932 |  |  | 2 |  | 
      
      
        | LANC | Liga Apărării Național Creștine National-Christian Defense League
 | 1923–1935 | 5.5% |  | 3 |  | 
      
      
        | MNSZ | Magyar Népi Szövetség Hungarian People's Union
 | 1934–1953 | 8.3% |  | 4 |  | 
      
      
        | MER | Miscarea Ecologista din Romania Romanian Ecological Movement
 | 1990–2000 | 2.6% |  | 7 |  | 
      
      
        | PaRo | Partida Romilor Party of the Roma
 | 2007–2007 | 1.2% |  | 6 |  | 
      
      
        | etnice | Partidele minorităţilor etnice din România Romanian ethnic minorities parties
 | since 1990 | 5.5% |  | 6 |  | 
      
      
        | PAC | Partidul Alianţa Civică Party of the Civic Alliance
 | 1992–1996 | 1.6% |  | 4 |  | 
      
      
        | PAS | Partidul Alternativa Socialista Socialist Alliance Party
 | 2003–2013 | 0.3% |  | 4 |  | 
      
      
        | PCR | Partidul Comunist Român Romanian Communist Party
 | 1921–1989 | 100.0% |  | 11 |  | 
      
      
        | PC | Partidul Conservator Conservative Party
 | 1880–1918 | 61.4% |  | 10 |  | 
      
      
        | PCD | Partidul Conservator-Democrat Conservative-Democratic Party
 | 1908–1922 | 37.8% |  | 5 |  | 
      
      
        | PCPUR | Partidul Conservator / Partidul Umanist Român Conservative Party / Romanian Humanist Party
 | 1991–2015 | 5.3% |  | 14 |  | 
      
      
        | PD | Partidul Democrat Democratic Party
 | 1993–2007 | 12.9% |  | 23 |  | 
      
      
        | PDAR | Partidul Democrat Agrar din România Democratic Agrarian Party of Romania
 | 1990–1992 | 3.0% |  | 10 |  | 
      
      
        | PDL | Partidul Democrat-Liberal Democratic Liberal Party
 | 2007–2015 | 32.4% |  | 25 |  | 
      
      
        | PER | Partidul Ecologist Român Romanian Ecologist Party
 | since 1990 | 1.7% |  | 13 |  | 
      
      
        | PGR | Partidul German din România 
          · (
          German: Deutsche Partei in Rumänien
          ) German Party
 | 1919–1944 | 8.8% |  | 3 |  | 
      
      
        | PIN | Partidul Iniţiativa Naţională National Initiative Party
 | 2007–2007 | 2.4% |  | 7 |  | 
      
      
        | PL | Partidul Liberal '93 Liberal Party 1993
 | 1993–1997 | 4.4% |  | 1 |  | 
      
      
        | PLD | Partidul Liberal Democrat Liberal Democratic Party
 | 2007–2007 | 18.6% |  | 10 |  | 
      
      
        | PLR | Partidul Liberal Reformator Liberal Reformist Party
 | since 2014 |  |  | 4 |  | 
      
      
        | PMP | Partidul Mișcarea Populară People's Movement Party
 | since 2014 | 5.3% |  | 17 |  | 
      
      
        | PNC | Partidul Național Creștin National Christian Party
 | 1935–1938 | 9.3% |  | 3 |  | 
      
      
        | PND | Partidul Naționalist-Democrat Democratic Nationalist Party
 | 1910–1946 | 4.8% |  | 3 |  | 
      
      
        | PNL | Partidul Naţional Liberal National Liberal Party
 | since 1875 | 31.3% |  | 33 |  | 
      
      
        | PNL | Partidul Național Liberal-Brătianu National Liberal Party-Brătianu
 | 1930–1938 | 6.1% |  | 4 |  | 
      
      
        | PNLC | Partidul National Liberal Campeanu National Liberal Party Campeanu
 | 1995–2000 | 1.4% |  | 2 |  | 
      
      
        | PNLT | Partidul Național Liberal—Tătărescu National Liberal Party—Tătărescu
 | 1944–1947 | 18.1% |  | 4 |  | 
      
      
        | PNM | Partidul Naţional Maghiar Magyar Party
 | 1922–1938 | 6.2% |  | 4 |  | 
      
      
        | PNP | Partidul Național Popular National Popular Party
 | 1942–1949 | 69.8% |  | 4 |  | 
      
      
        | PNR | Partidul Național Român Romanian National Party
 | 1881–1926 | 29.8% |  | 5 |  | 
      
      
        | PNT | Partidul National Tărănesc National Peasants' Party
 | 1926–1948 | 28.4% |  | 6 |  | 
      
      
        | PNTCD | Partidul Naţional Ţărănesc Creştin Democrat Christian-Democratic National Peasants' Party
 | since 1990 | 2.6% |  | 24 |  | 
      
      
        | PNG  CD | Partidul Noua Generaţie — Creştin Democrat New Generation Party — Christian Democratic
 | since 1999 | 2.3% |  | 14 |  | 
      
      
        | PPR | Partidul Pensionarilor din Romania Party of Pensioners of Romania
 | 1996–1996 | 1.4% |  | 3 |  | 
      
      
        | PP | Partidul Poporului People's Party
 | 1918–1938 | 52.2% |  | 8 |  | 
      
      
        | PP  DD | Partidul Poporului — Dan Diaconescu People's Party — Dan Diaconescu
 | since 2011 | 14.0% |  | 22 |  | 
      
      
        | PaRe | Partidul Republican Republican Party
 | 1990–2000 | 1.6% |  | 3 |  | 
      
      
        | PRM | Partidul România Mare Greater Romania Party
 | since 1991 | 19.5% |  | 36 |  | 
      
      
        | PRU | Partidul România Unită United Romania Party
 | since 2016 | 2.8% |  | 8 |  | 
      
      
        | PSD | Partidul Social Democrat Social Democratic Party
 | since 1996 | 58.6% |  | 33 |  | 
      
      
        | PSDR | Partidul Social Democrat Român Romanian Social Democratic Party
 | 1990–2000 | 2.9% |  | 19 |  | 
      
      
        | PS | Partidul Socialist Socialist Party
 | 1996–1996 | 2.3% |  | 2 |  | 
      
      
        | PSM | Partidul Socialist al Muncii Socialist Party of Labour
 | 1990–1996 | 3.0% |  | 12 |  | 
      
      
        | PSoDR | Partidul Socialist Democrat Român Romanian Socialist Democratic Party
 | 1990–1990 | 1.1% |  | 6 |  | 
      
      
        | PS | Partidul Socialist din România Socialist Party of Romania
 | 1918–1921 | 5.2% |  | 4 |  | 
      
      
        | PSMR | Partidul Socialist Muncitoresc Roman Romanian Socialist Party of Workers
 | 1996–1996 | 1.7% |  | 1 |  | 
      
      
        | PT | Partidul Țărănesc Peasants' Party
 | 1918–1926 | 10.8% |  | 4 |  | 
      
      
        | PTB | Partidul Țărănesc din Basarabia Bessarabian Peasants' Party
 | 1918–1923 | 12.7% |  | 4 |  | 
      
      
        | PTLupu | Partidul Țărănesc—Lupu Peasants' Party—Lupu
 | 1927–1937 | 5.6% |  | 4 |  | 
      
      
        | PUSL | Partidul Umanist Social Liberal Social Liberal Humanist Party
 | since 2015 | 1.2% |  | 1 |  | 
      
      
        | PUSL | Partidul Umanist Social Liberal Social Liberal Humanist Party
 | since 2015 | 1.2% |  | 1 |  | 
      
      
        | PUNR | Partidul Unitatii Naţionale a Romanilor Romanian National Unity Party
 | 1992–2000 | 7.7% |  | 21 |  | 
      
      
        | PV | Partidul Verde Green Party
 | since 2005 | 0.9% |  | 4 |  | 
      
      
        | PROR | PRO România PRO Romania
 | since 2018 | 6.4% |  | 9 |  | 
      
      
        | REPER | Reînnoim Proiectul European al României Renewing Romania's European Project
 | since 2022 | 1.2% |  | 1 |  | 
      
      
        | UDMRRMDS | Uniunea Democrată Maghiară din România / Romániai Magyar Demokrata Szövetség Democratic Union of Hungarians in Romania / Democratic Alliance of Hungarians in Romania
 | since 1989 | 7.5% |  | 37 |  | 
      
      
        | UNPR | Uniunea Naţională pentru Progresul României National Union for the Progress of Romania
 | since 2010 | 2.1% |  | 10 |  | 
      
      
        | PSDPUR | Uniunea Naţională PSD+PUR National Union PSD+PUR
 | 2004–2008 | 36.8% |  | 8 |  | 
      
      
        | USR | Uniunea Salvați România Save Romania Union
 | since 2015 | 8.9% |  | 15 |  | 
      
      
        | USL | Uniunea Social Liberală Social Liberal Union
 | 2008–2014 | 60.1% |  | 10 |  | 
      
      
        | ally | alliance alliance
 |  |  |  | 23 |  | 
      
      
        | tech | technical technical
 |  |  |  | 0 |  | 
      
      
        | perc | 1 percent 1 percent
 |  |  |  | 22 |  | 
      
      
        | unknown | unknown unknown
 |  |  |  | 2 |  | 
      
      
        | indep | independent independent
 |  |  |  | 9 |  | 
      
      
        | etc | other other
 |  |  |  | 8 |  |