Rachel Riley
| Rachel Riley | |
|---|---|
| Riley in 2011 | |
| Born | Rachel Annabelle Riley 11 January 1986 Rochford, England | 
| Education | Oriel College, Oxford (MA) | 
| Occupation | Television presenter | 
| Years active | 2009–present | 
| Employer(s) | Channel 4, Sky Sports | 
| Spouses | |
| Children | 2 | 
Rachel Annabelle Riley MBE (born 11 January 1986) is an English television presenter. She co-presents the Channel 4 daytime puzzle show Countdown and its comedy spin-off 8 Out of 10 Cats Does Countdown. She is a mathematics graduate.
Her television debut came when she joined Countdown aged 22. With an interest in popularising mathematics and the sciences, she has since co-presented The Gadget Show on Channel 5 (2013–14) and It's Not Rocket Science on ITV (2016). She was also a contestant on the BBC celebrity dance show Strictly Come Dancing in 2013.
As an anti-racism campaigner, she was appointed a Member of the Most Excellent Order of the British Empire (MBE) in the 2023 New Year Honours for services to Holocaust education and antisemitism awareness.