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

Previously she has been 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] 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.

In January 2019, Knight was confirmed as the new co-host of the Nine Network's breakfast program Today, replacing Karl Stefanovic.