Zettel

Zettel may refer to:


 * Zettel (Wittgenstein), a collection of remarks on philosophy
 * Zettel (Liechtenauer), a collection of verses on swordfighting

People with the surname

 * Charlene Zettel (born 1947), American politician
 * Kathrin Zettel (born 1986), Austrian ski racer
 * Sarah Zettel (born 1966), American science fiction writer