Moundou is the second largest city in Chad, and is the capital of the region of Logone Occidental.

The city lies on the Logone River some 475 kilometres south of the capital N'Djamena. It is the main city of the Ngambai people. Moundou has grown as an industrial centre, home to the Gala Brewery, which produces Chad's most popular beer and the cotton and oil industries.

Moundou is situated on one of the main roads in southern Chad. The road runs from Léré on the border with Cameroon, through Pala, Kélo, Moundou, Doba, Koumra, and Sarh.^{[citation needed]}

The town is served by Moundou Airport (IATA: MQQ, ICAO: FTTD), with a paved runway.

Moundou is twinned with:

Christopher Francis Ocean (born Christopher Breaux; October 28, 1987), better known by his stage name Frank Ocean, is an American singer-songwriter from New Orleans, Louisiana. Breaux made an early career as a ghost-writer for artists such as Justin Bieber, Bridget Kelly, Aramide Makinde and John Legend. In mid 2010 he became a member of OFWGKTA premiering on Domo Genesis' track, "SteamRoller". In February 2011, he released his debut mixtape Nostalgia, Ultra to critical acclaim. He released two singles; "Novacane" and "Swim Good". Both singles achieved chart success. Ocean went on a 7 show tour through North America and Europe promoting the mixtape. He is currently located in New York City.

The mixtape caught the interest of recording artists such as Kanye West, Beyoncé Knowles and Jay-Z, and he appeared on Watch the Throne. He co-wrote the popular track "Thinking About You" for Bridget Kelly. On January 5, 2012, the BBC announced that he had finished in second place in the BBC's Sound of 2012 poll. Ocean is currently working on his debut studio album, set to be released in the first half of 2012, while the same year he appeared at Coachella and he is scheduled to appear at Lollapalooza.