Yenagoa is a Local Government Area in Bayelsa State, Nigeria. Its headquarters are in the town of Yenagoa (the State capital) in the south of the area at 4°55′29″N6°15′51″E / 4.92472°N 6.26417°E / 4.92472; 6.26417.
The LGA has an area of 706km² and a population of 266,008 at the 2006 census.