Dragon's teeth or dragon's tooth may refer to:
- Dragon's Teeth: A Novel, an 1878 realist novel by José Maria de Eça de Queiroz
- "The Dragon's Teeth; or, Army-Seed," a chapter in the 1901 children's book The Wouldbegoods by E. Nesbit.
- The Dragon's Teeth, a 1939 mystery novel by Ellery Queen
- Dragon's Teeth (novel), a 1942 Pulitzer Prize-winning historical novel by Upton Sinclair
- Dragon's teeth: the background, contents and consequences of the North Atlantic Pact, 1949 non-fiction book by Konni Zilliacus
- "Dragons' Teeth" (short story), a 1977 fantasy short story by David Drake
- The Dragon's Teeth?, a 1982 American book by Benjamin S. Kelsey
- The Dragon's Tooth, a 2011 fantasy novel by N.D. Wilson
- Dragon's Teeth Mountains, a fictional mountain range in the Shannara series of books
- Dragon Teeth, a posthumous novel by late Michael Crichton (published in May 2017)
- Pull the Dragon Tooth (novel) a Mice king fantasy story by Geronimo Stilton.