Joseph H. Kpandeba, CRSL (born December 30, 1960) is a Sierra Leonean politician and the current Minority Leader of Parliament of Sierra Leone. She is the leader of the main opposition Sierra Leone People's Party (SLPP) in the Sierra Leone House of Parliament. She currently represent Constituency 13 from Kenema District in the Sierra Leone House of Parliament. Lahai is a native of Kenema District in Eastern Sierra Leone, and a member of the Mende ethnic group.