He received his B.A. in 1956 from the University of Alberta and then studied under a Rotary International Fellowship at the University of Tübingen in West Germany, near Stuttgart. In Germany, he studied literature and theology and travelled to England, Austria, Switzerland and Italy. In 1962, he received a Bachelor of Theology degree from Mennonite Brethren Bible College in Winnipeg, now Canadian Mennonite University, where he also worked as the editor of the Mennonite Brethren Herald, a position he was asked to leave after the publication of his controversial debut novel Peace Shall Destroy Many (1962).

In 1958 he married Tena Isaak, with whom he had two children.

Wiebe won the Governor General’s Award for Fiction twice, for The Temptations of Big Bear (1973) and A Discovery of Strangers (1994). He was awarded the Royal Society of Canada’s Lorne Pierce Medal in 1986. In 2000 he was made an Officer of the Order of Canada. In 2003 Wiebe was a member of the jury for the Giller Prize.

In addition to Peace Shall Destroy Many, Wiebe’s novels include First and Vital Candle (1966), The Blue Mountains of China (1970), The Temptations of Big Bear (1973), The Scorched-wood People (1977), The Mad Trapper (1980), My Lovely Enemy (1983), A Discovery of Strangers (1994), Sweeter Than All the World (2001), and Come Back (2014). He has also published collections of short stories, essays, and children’s books. In 2006 he published a volume of memoirs about his childhood, entitled Of This Earth: A Mennonite Boyhood in the Boreal Forest.