Ousmane Alioune Ngom (born May 18, 1955[1]) is a Senegalese politician. As a leading member of the Senegalese Democratic Party (PDS), Ngom served as a minister in national unity governments from 1991 to 1992 and from 1995 to 1998. He split from the PDS to form his own party in 1998, but returned to the PDS in 2003. Under President Abdoulaye Wade, Ngom was a presidential adviser from 2003 to 2004, and from 2004 to 2012 he again served as a minister in the government, ultimately as Minister of State for the Interior from September 2010 to April 2012. Since 2012, he has served as a Deputy in the National Assembly of Senegal.