François Toussaint (French pronunciation: [fʁɑ̃swa tusɛ̃]), also known as Kalonda Omanyama or David Ngoy, born on 6 October 1965 in Lodja, in the Democratic Republic of Congo, is a Belgian-Congolese mercenary convicted of murder.

Born in DR Congo, his father was a Belgian spy and his mother was Congolese.

In January 2009 he was arrested but promptly released following intervention of human rights organization.

On 1 November he crossed the border into the country and started a training camp in the outskirts of Paoua.

[2] On 15 October 2015 he was sentenced by a Belgian court to 20 years in prison for the 2005 murder of Manuel Maroquin.