Tantalus may also signify:

• The Tantalus Peak on the Hawaiian island of O‘ahu.
• The Tantalus Mountains of southwestern British Columbia.
• The USS Tantalus (ARL-27), a United States Navy World War 2 landing craft repair ship
• Tantalus Interactive, an Australian video game development studio
• The Tantalus Coin Registry, a community based project to catalogue coins.
• An asteroid 2102 Tantalus.
• A Tantalus, a caddy for decanters which may be partly exposed but locked in place, requiring a key or some special trick to access.
• "The Torment of Tantalus" (Stargate SG-1), a Stargate SG-1 tv series episode.
• The Sony PlayStation game Final Fantasy IX involves a theatre troupe known as "Tantalus," which shares the original thieving concept with Tantalus' story.
• In the XBOX 360 Video Game Test Drive Unlimited there is a particularly difficult track available called "Tantalus".
• In the Star Trek original series episode "Mirror, Mirror" the mirror universe version of Captain Kirk has a secret device in his cabin that enables the monitoring and elimination of enemies called the "Tantalus Field."
• In the Star Trek original series episode "Dagger of the Mind", most of the action takes place in the Tantalus Colony.