The Diet Smith Corporation was an organization that had a location on Deep Space 9's Promenade, at address 01-892. (Star Trek: Deep Space Nine set decorations)
- This was listed on a directory graphic on the Promenade created by the art department, which contained a number of joke references to other media, such as this reference to the cartoon strip Dick Tracy. In the comic strip, Diet Smith was an eccentric industrialist who provided detective Tracy with futuristic gadgets such as his two-way wrist radio.