Madeleine "Mado" Dubé ONB (born September 26, 1961) is a Canadian social worker and politician from New Brunswick.
She attended l'Université de Moncton (UdeM), where she received a Bachelor of Social Work.
She was co-owner and president of a human development agency named Priorité Santé Inc. She also taught introductory courses leading to a certificate in drug addiction studies at the Université de Moncton – Edmundston campus, and is certified in the fields of family mediation, grievance mediation, defusing/debriefing, suicide prevention, and toxicology.
In September 2010, she was re-elected four times in a row to the New Brunswick Legislature with one of the largest majorities.
Dubé was named to the Select Committee on Cannabis, pursuant to Motion 31 of the 3rd session of the 58th New Brunswick Legislature.