Christian Wiyghan Tumi (born 15 October 1930) is a retired Cardinal Priest and the former Archbishop Emeritus of Douala in the Roman Catholic Church in Cameroon. He was succeeded as archbishop of Douala by Samuel Kleda who had been Coadjutor Archbishop. Born in Kikaikelaki a small village in the Nso klan, situated in the Northwest Region, of Cameroon, Tumi studied at local seminaries in Cameroon and Nigeria. He trained as a teacher in Nigeria and London, then went on to earn a licentiate in theology in Lyon and a doctorate in philosophy at the University of Fribourg, Switzerland.
Ordained a priest on 17 April 1966, he served as a vicar in Soppo for a year before becoming a professor at Bishop Rogan College's seminary. After studying abroad from 1969 to 1973, he returned to his diocese and was named rector of the seminary in Bambui. In 1979, Tumi was elected the first bishop of the diocese of Yagoua. In 1984, he was made archbishop and in 1985, he was elected president of the National Episcopal Conference of Cameroon, a post he held until 1991. Named Cardinal-priest of Santi Martiri dell'Uganda a Poggio Ameno on 28 June 1988 by Saint Pope John Paul II, Cardinal Tumi was named the Archbishop of Douala on 31 August 1991. He was one of the cardinal electors who participated in the 2005 papal conclave that selected Pope Benedict XVI.