Francis Acharya (born Jean Richard Mahieu; 17 January 1912 – 31 January 2002) was a Belgian Cistercian monk of Scourmont Abbey.
Taking Indian citizenship, he founded the Syro-Malankara rite Kristiya Sanyasa Samaj, Kurisumala Ashram, later (in 1998) affiliated to the Trappist Order.