Kyburg may refer to: Henry E. Kyburg, Jr. (1928–2007), philosopher/logician Kyburg, Zurich, a town in the Canton of Zurich, Switzerland Kyburg (castle), a castle in the municipality Kyburg, Switzerland House of Kyburg that took their name from the castle County of Kyburg, a former administrative unit in the Canton of Zurich, Switzerland Kyburg-Buchegg, a municipality in the Canton of Solothurn, Switzerland