Deborah Knight (born 23 November 1972) is an Australian television and news presenter, radio host, and journalist.

Knight is currently presenter of Nine News Morning and Nine News Afternoon in Sydney and host of A Current Affair on Saturday. Previously she has been host of Money News on Nine Radio, afternoons host on 2GB, co-host of the Nine Network's breakfast program Today and presented Nine News Sydney on Friday and Saturday.

Knight studied at Charles Sturt University in Bathurst, New South Wales, where she earned a degree in journalism, graduating in 1993.^[1]

She began her career in the media working for the radio station 2WG in Wagga Wagga and then moved to Mix 106.5 in Sydney before accepting a position with the Australian Broadcasting Corporation.

Later on, she moved to Network 10 and in 2001 was appointed the US correspondent on 10 News First, during which she covered major world events such as the September 11 attacks. Upon her return to Australia, she became co-host of the flagship Sydney bulletin in January 2006, replacing Jessica Rowe, and a regular substitute presenter on the network's national late-night news bulletin.

In October 2011, Knight was replaced by Sandra Sully as the presenter of Network Ten's Ten News at Five in Sydney.

In December 2011, Knight joined the Nine Network, replacing Alicia Gorey as news presenter on Weekend Today and Monday news presenter on Today.

In February 2015, Knight was appointed co-host of Weekend Today, replacing Leila McKinnon.