| Social Democratic Party | |
| Native Name: | Parti social-démocrate |
| Leader: | Pierre Claver Maganga Moussavou |
| Foundation: | 1991 |
| Seats1 Title: | National Assembly |
| Seats2 Title: | Senate |
| Country: | Gabon |
The Social Democratic Party (PSD) is a political party in Gabon. It is part of the Presidential Majority coalition and is led by Pierre Claver Maganga Moussavou.
The PSD was established in 1991.[1] Maganga Moussavou was nominated as its candidate for the 1993 presidential election, finishing fourth in a field of thirteen candidates with 3.6% of the vote. He ran again in the 1998 presidential election, this time finishing fifth out of the eight candidates with 1% of the vote.
The party won a single seat in the National Assembly in the 2001 parliamentary election, and subsequently joined the Gabonese Democratic Party (PDG)-led government.[2] It did not put forward a candidate for the 2005 presidential election, but won two seat in the 2006 parliamentary election, in which it was part of the pro-PDG bloc.[3]
Maganga Moussavou was nominated as the PSD candidate for the 2009 presidential election, finishing sixth in a field of eighteen candidates with 0.8% of the vote.[3] The party was reduced to one seat in the 2011 parliamentary election.[3]