Louis Alphonse Daniel Koyagialo Ngbase te Gerengbo (23 March 1947 – 14 December 2014) was a Congolese politician.

[2] Koyagialo originated from the same part of Equateur Province as President Mobutu Sese Seko.

Other sources give varying estimates of the number of students who died, with Amnesty International suggesting that the figure is between 50 and 150.

[7] Koyagialo was appointed acting secretary general of President Joseph Kabila's political cartel.

[3] On 14 October 2011 he visited the headquarters of the Independent National Electoral Commission, INEC, to sign the Code of Conduct for the up-coming elections on behalf of Joseph Kabila, who did not attend in person.