Katherine Leigh Ritchie (born 14 August 1978) is an Australian actress, radio presenter, and children's author.

She is best known for her long-running role as original character Sally Fletcher on the television soap opera Home and Away, for which she won two Gold Logie awards.

She currently co-hosts Nova 96.9's breakfast show Fitzy & Wippa with Kate Ritchie alongside Ryan Fitzgerald and Michael 'Wippa' Wipfli.

[1] After a five-year absence, Ritchie returned to Home and Away in 2013 for a short reprise of her role as Sally Fletcher to commemorate the 25th anniversary of the series.

[2] In addition to 20 years on Home and Away, Ritchie has also hosted various television events and appeared in commercials, a mini-series and an Australian film.

[3] In 2022, Ritchie appeared as a judge on the tenth season of Australia's Got Talent alongside Shane Jacobson, David Walliams and Alesha Dixon.

[9] In 2007 Ritchie joined Nova radio to co-host the drive show with comedian Akmal Saleh, replacing Matthew Newton.

[citation needed] On 10 November 2009, Ritchie announced she would be leaving Nova 96.9's breakfast team and returning to acting.

[22][23] In 2023, it was announced that Ritchie would be permanently departing her Nova radio show Kate, Tim & Joel after being absence for some time.

[28][29][30] After some years absent from the small screen, in 2023, Ritchie returned in the Seven Network drama series The Claremont Murders, based on real serial killings that took place in Western Australia, and starred as Carol Spiers, the mother of Sarah Spiers, and appeared opposite Erik Thomson.

[37] On 7 November 2019, Stuart Webb agreed to an AVO which was applied for by a police constable on behalf of Ritchie following a domestic incident on 17 October.

[38] The AVO prevents Webb from stalking, intimidating, assaulting or threatening, as well as approaching or being in the company of Ritchie "for at least 12 hours after drinking alcohol or taking illicit drugs".