Josephine Joseph Lagu (born in November 1953) is a South Sudanese politician. She is the eldest daughter of Joseph Lagu. She was appointed as one of the vice-presidents of South Sudan on 10 February 2025, On 26 February 2026 she was replaced as vice president by her immediate predecessor, Hussein Abdelbagi. Lagu previously served as Minister of Agriculture and Food Security since 2020.
Josephine Lagu is a daughter of Joseph Lagu. She is a member of the People's Democratic Movement founded by Hakim Darious but was elected in 2019 to the position of chairperson of the South Sudan Opposition Alliance, which comprises various opposition parties.
Lagu was accused of involvement in the embezzlement of funds in 2009. However, on April 30, 2010, the High Court in Juba cleared Lagu of all the charges for lack of proof.