Political parties
Current: PCP | CDS–PP | PSD | PS | PCTP/MRPP | PPM | PEV | MPT | B.E. | PTP | PAN | MAS | L | JPP | ADN | NC | A)T | IL | CH | R.I.R. | VP | ND | PLS

Defunct: MDP/CDE | UDP | ADIM | UEDS | ASDI | PRD | PSN | PDC | MES | PT | OCMLP | PUP | FSP | PRT | CDM | LCI | PCP(m-l) | GDUP's | PSR | MIRN/PDP | PDA | FUP | PST | FN | PC(R) | FER | PXXI | PPR | PG | P.H. | MD | PND | MEP | PLD | POUS | PPV | A | E

Party coalitions
Current: CDU | AD - Coligação PSD/CDS

Former: AGIR | APU | B | B.E.-UDP | CC | CDS-PP.PPM | CM | FEH | FEPU | FRS | PC | PDC-MIRN/PDP-FN | POUS/PST | PPM-PDA | UDP/PSR | MPT-A | AD

Other
ARTV | Agenda Parlamentar | Parlamento dos Jovens