Ruth Bratt is an English actress and comedian. Bratt has made appearances on several TV shows including FAQ U (2005) and Man Down (2017) on Channel 4, and Rob Brydon's Annually Retentive on BBC Three (2006). She was intended to have a larger role in the latter but most of the scenes where she had dialogue were cut.

In 2007 she appeared in Touch Me, I'm Karen Taylor as Dutch "climatologist" Yolanda van der Landavan. She played a number of different roles in several episodes of BBC Three's Mongrels and in 2013 appeared in Ricky Gervais' show Derek. She went on to play Roche, girlfriend of DJ Beats (aka Kev) in BBC3's People Just Do Nothing.

She co-wrote and co-starred with Lucy Trodd in the BBC radio comedy series Trodd en Bratt Say 'Well Done You' in 2014. Bratt has appeared in the BAFTA award winning BBC2 series People Just Do Nothing. In 2022, she was at the Edinburgh Festival in "Starship Improvise" with the Mischief Theatre.

She has also appeared in TV advertisements for products such as Kellogg's Nutrigrain bars.