: 200 seats in the Parliament (Eduskunta)

• Party: Center Party of Finland (KESK)
  Leader: Matti VANHANEN
  Seats won in this election: 51
  Seats won in last election: 55
• Party: National Coalition Party (KOK)
  Leader: Jyrki KATAINEN
  Seats won in this election: 50
  Seats won in last election: 40
• Party: Social Democratic Party of Finland (SDP)
  Leader: Eero HEINALUOMA
  Seats won in this election: 45
  Seats won in last election: 53
• Party: Left Wing Alliance (VAS)*
  Leader: Martti KORHONEN
  Seats won in this election: 17
  Seats won in last election: 19
• Party: Green League (VIHR)
  Leader: Tarja CRONBERG
  Seats won in this election: 15
  Seats won in last election: 14
• Party: Christian Democrats in Finland (KD)
  Leader: Paivi RASANEN
  Seats won in this election: 7
  Seats won in last election: 7
• Party: Swedish People's Party in Finland (SFP)
  Leader: Stefan WALLIN
  Seats won in this election: 9
  Seats won in last election: 8
• Party: True Finns (PeruSS)
  Leader: Timo SOINI
  Seats won in this election: 5
  Seats won in last election: 1