William G. "Bill" Johnsson (1934–) is a Seventh-day Adventist author and was editor of the Adventist Review, the church's flagship weekly magazine, from 1982 to 2006.
In 1979 Johnsson was elected the first president of the Adventist Society for Religious Studies. From 1982 to 2006 he was editor of the Adventist Review. Johnsson was also a member of the Ellen G. White Estate board of trustees. He has written more than 25 books and 1,000 articles. He currently is retired, having served in retirement as Assistant to the President for Interfaith Relations at the church's headquarters. On May 6, 2007, Johnsson was the graduate commencement speaker at Andrews University, where he received an honorary doctorate.