A bookworm or bibliophile is an avid reader and lover of books.

Bookworm may also refer to:

• Bookworm (comics), a comic strip in the Whoopee! and Whizzer and Chips comic books
• The Bookworm (painting), a 1850 painting by German painter Carl Spitzweg
• "The Bookworm" (short story), a short story by Pu Songling
• Bookworm (Tiny Toon Adventures), a character on the cartoon Tiny Toon Adventures
• Bookworm (video game), a 2003 word-forming puzzle video game by PopCap Games
  • Bookworm Adventures, a 2006 follow-up game
• Bookworm, an American radio show on literature hosted by Michael Silverblatt
• The Bookworm (1994–2000), a BBC television programme on literature hosted by Griff Rhys Jones
• The Bookworm, a villain in the 1960s Batman TV show
• The Bookworm, a 1939 Metro-Goldwyn-Mayer animated short
• Bookworm, a screenplay by David Mamet that became the 1997 movie The Edge
• "Bookworm, Run!", a 1996 science fiction short story by Vernor Vinge
• Bookworm, a 2024 film by Ant Timpson

• Bookworm (insect), a popular generalization for any insect which supposedly bores through books
• The Bookworm (bookstore), an independent bookstore in Beijing, China
• Bookworm, the codename of version 12 of the Debian Linux operating system