Entertainment
- Den (film), a 2001 independent horror film directed and written by Greg Arce
- Den (Battle Angel Alita), a fictional character in the Battle Angel Alita manga by Yukito Kishiro
- Den (comics), a Richard Corben comic book series
- Den Watts or "Dirty Den", a fictional character from the BBC soap opera EastEnders, played by actor Leslie Grantham
- The Den (television), Irish children's television programme also known as Dempsey's Den, Den TV and Den2 through the years
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