Mark Elliot (born ca. 1953) is the professional name of Nils Johanson, a late night talk radio host on radio station CFRB 1010 in Toronto, Ontario, Canada and an addictions counselor in private practice. From Monday to Thursday from 11 p.m. to 2 a.m. EST he hosts the general interest talk show The Nightside, as of 2005 the highest-rated late night radio show in Canada. Over the same period on Friday he hosts People Helping People, dedicated to addictions and addiction recovery. Elliot is himself a recovering alcoholic, drug abuser, and compulsive gambler.