Cash in the Attic, also Cash in the Celebrity Attic, is a United Kingdom television show on the BBC. The show, made by Leopard Films, premièred in 2002 and has run for sixteen series; as of February 2010, the seventeenth series is currently in production, along with the fifth celebrity series. The programme's tagline is The show that helps you find hidden treasures in your home, and then sells them for you at auction.

Now Cash in the Attic has also launched an online version of the TV show. This is an innovative site which allows the general public to upload items for online valuations by a team of experts from the show, and then people can proceed to sell their item through the site.