The Viana do Castelo District ( ) is a district located in the northwest of Portugal, bordered on the north by Spain (Galicia) and on the south by Braga District. It has an area of and a population of 252,011 (2006), for a density of 111.8 inhabitants/km<sup>2</sup>. The district capital is the city of Viana do Castelo.
Municipalities
The district is composed of ten municipalities:
- Arcos de Valdevez Municipality
- Caminha Municipality
- Melgaço Municipality
- Monção Municipality
- Paredes de Coura Municipality
- Ponte da Barca Municipality
- Ponte de Lima Municipality
- Valença Municipality
- Viana do Castelo Municipality
- Vila Nova de Cerveira Municipality
List of Parliamentary Representatives
{| class="wikitable"
|-
!Member!!Party
|-
| Anabela Rodrigues
| style="background-color:#FF66FF"|PS
|-
| Eduardo Teixeira
| style="background-color:#FF9900"|PSD
|-
| Emília Cerqueira
| style="background-color:#FF9900"|PSD
|-
| Jorge Salgueiro Mendes
| style="background-color:#FF9900"|PSD
|-
| José Manuel Carpinteira
| style="background-color:#FF66FF"|PS
|-
| Marina Gonçalves
| style="background-color:#FF66FF"|PS
|}
Summary of votes and seats won 1976-2022
|- class="unsortable"
!rowspan=2|Parties!!%!!S!!%!!S!!%!!S!!%!!S!!%!!S!!%!!S!!%!!S!!%!!S!!%!!S!!%!!S!!%!!S!!%!!S!!%!!S!!%!!S!!%!!S!!%!!S
|- class="unsortable" align="center"
!colspan=2 | 1976
!colspan=2 | 1979
!colspan=2 | 1980
!colspan=2 | 1983
!colspan=2 | 1985
!colspan=2 | 1987
!colspan=2 | 1991
!colspan=2 | 1995
!colspan=2 | 1999
!colspan=2 | 2002
!colspan=2 | 2005
!colspan=2 | 2009
!colspan=2 | 2011
!colspan=2 | 2015
!colspan=2 | 2019
!colspan=2 | 2022
|-
| align="left"| PS || 25.5 || 2 || 24.9 || 2 || 22.8 || 1 || 32.5 || 2 || 18.4 || 1 || 20.3 || 1 || 25.2 || 2 || 38.8 || 3 || style="background:#FF66FF;"|40.2 || style="background:#FF66FF;"|3 || 35.3 || 3 || style="background:#FF66FF;"|42.0 || style="background:#FF66FF;"|3 || style="background:#FF66FF;"|36.3 || style="background:#FF66FF;"|3 || 26.2 || 2 || 29.8 || 2 || style="background:#FF66FF;"|34.8 || style="background:#FF66FF;"|3 || style="background:#FF66FF;"|42.1 || style="background:#FF66FF;"|3
|-
| align="left"| PSD || style="background:#FF9900;"|32.8 || style="background:#FF9900;"|3 || align=center colspan=4 rowspan=2|In AD || style="background:#FF9900;"|32.6 || style="background:#FF9900;"|3 || style="background:#FF9900;"|33.5 || style="background:#FF9900;"|3 || style="background:#FF9900;"|54.5 || style="background:#FF9900;"|5 || style="background:#FF9900;"|56.9 || style="background:#FF9900;"|4 || style="background:#FF9900;"|42.1 || style="background:#FF9900;"|3 || 35.8 || 2 || style="background:#FF9900;"|45.5 || style="background:#FF9900;"|3 || 33.5 || 2 || 31.3 || 2 || style="background:#FF9900;"|43.6 || style="background:#FF9900;"|3 || align=center colspan=2 rowspan=2|In PàF || 33.8 || 3 || 34.2 || 3
|-
| align="left"| CDS-PP || 23.5 || 2 || 18.4 || 1 || 16.6 || 1 || 7.7 || || 7.2 || || 11.3 || || 14.0 || 1 || 10.3 || || 11.4 || 1 || 13.6 || 1 || 13.4 || 1 || 6.2 || || 3.4
|-
| align="left"| AD || colspan=2| || style="background:#00FFFF;"|54.8 || style="background:#00FFFF;"|4 || style="background:#00FFFF;"|59.2 || style="background:#00FFFF;"|5 || colspan=26|
|-
| align="left"| PRD || colspan=8| || 16.2 || 1 || 4.8 || || colspan=20|
|-
| align="left"| PàF || colspan=26| || style="background:#00AAAA;"|45.5 || style="background:#00AAAA;"|4 || colspan=4|
|-
! Total seats || colspan=2|7 || colspan=30|6
|-
! colspan=33|Source: Comissão Nacional de Eleições
|}