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 (born 1983/1984), son of Idriss Déby; President of Chad since 2021 Deby Callihan (), American poker player Deby LaPlante (born 1953), American retired hurdler Dęby (disambiguation), various places in Poland
See also Debi (disambiguation) Debbi, a surname Debbie (disambiguation)