| Siw Hughes | |
| Birth Date: | 16 January 1958 |
| Birth Place: | Bangor, Gwynedd, Wales |
| Nationality: | Welsh |
| Employer: | BBC |
| Television: | Pobol y Cwm Gwaith Cartref |
| Years Active: | 1982–present |
| Education: | Ysgol Gyfun Llangefni |
Siw Hughes (born 16 January 1958) is a Welsh actress. She is best known for her role as Kath Jones in the long-running S4C soap opera, Pobol y Cwm, from 1993 to 2007, 2014 and 2017 onwards.
Hughes was born in Bangor, Gwynedd. She has appeared in Welsh-language theatre productions,[1] and in 2014 won a BAFTA Cymru award for Best Actress in a Television Drama, for her role in the S4C series Gwaith/Cartref.[2]
Welsh comedian Iwan John has a running joke in which he spoofs the Kath Jones character, using such overemphasised catch-phrases as "Blincin fflip!" a "Iyffach gols!".[3]