Tonight Live with Steve Vizard was a nightly Australian comedy chat show broadcast on Seven Network in Australia. It was a one hour live studio based show broadcast nationally 5 nights a week from February 1990 to November 1993, usually commencing at 10.30 pm every week night. Presented by Australian lawyer,comedian and writer Steve Vizard, the show's format was an eclectic mix of a traditional Tonight Show, such as the Late Show with David Letterman, The Tonight Show with Johnny Carson or Jay Leno, In Melbourne Tonight with Graham Kennedy with more off beat, often deconstructionist elements, such as broadcasting a rehearsal of the show, a rained out show, a parallel Tonight show, using the floor manager and cameramen as on air talent, using the studio audience to replace high profile guests and the like.

The show won the late night ratings around Australia and won several awards including Variety Club Awards, Television Society Awards and Logie Awards, including in 1991 a Gold Logie for Steve Vizard as Most Popular Person on Australian Television and nominations on three other occasions.