Norman Lloyd Johnson (9 January 1917, Ilford, Essex, England – 18 November 2004, Chapel Hill, North Carolina, United States) was a professor of statistics and author or editor of several standard reference works in statistics and probability theory.
Johnson attended Ilford County High School, and went on to University College London, where he obtained a B.Sc.
During World War II, he served under his former Professor Egon Pearson as an Experimental Officer with the Ordnance Board.
He was Chairman 1971–1976 and officially retired in 1982, but continued to be active in scholarship and research as Professor Emeritus almost until his death.
His book "Survival Models" was co-authored with his wife Regina Elandt Johnson, herself a professor of biostatistics.