Sin Cities is a British sexually-oriented travel television series with Grub Smith for season one and Ashley Hames for seasons two through four. It originally broadcast on Bravo from 2000 to 2007. It has also been broadcast on Showcase in Canada. Series 1 and 2 were produced by Visual Voodoo while Series 3 and 4 were produced by Class Films. Smith and Hames co-hosted a spin-off series entitled Sin Cities Unleashed which consisted of edited highlights from the first two series of Sin Cities.

The premise of the series sees the host traveling to cities around the world and exploring sexual entertainment options, occasionally even participating. The tone of the series is irreverent and humorous, with a tendency to focus on some of the more bizarre options available, such as wearing nappies and being captured for sexual pleasure.