Deby

Deby may refer to:


 * Idriss Déby (1952–2021), President of Chad and military officer
 * Brahim Déby (1980–2007), son of Idriss Déby
 * Mahamat Déby Itno (b. 1983/1984), son of Idriss Déby; President of Chad since 2021
 * Deby Callihan (fl. 1980), American poker player
 * Deby LaPlante (born 1953), American retired hurdler
 * Dęby (disambiguation), various places in Poland