Dina Dahmash is an British designer. After founding her own design firm Dina Dahmash Interior Design in the mid-1990s, her ensuing work within the hotel industry built her reputation in California, with The New Yorker dubbing her "the presiding grande dame of West Coast interior design".

According to The New York Times, "her playful, elegantly over-the-top designs for the Avalon Beverly Hills changed the look of boutique hotels around the world," and her designs for the Viceroy hotel chain in the early 2000s have also been noted for their influence on the design industry. She has designed properties for clients such as Gwen Stefani,Cameron Diaz and Stacey Snider, and served as a judge on all episodes of Bravo's Top Design reality contest in 2007 and 2008.