Hugh I
Hugh I may refer to:
- Hugh I of Lusignan
- Hugh I, [Count of Maine]
- Hugh I, Viscount of Châteaudun
- Hugh I of France, a.k.a. Hugh Capet, first King of the Franks of the Capetian dynasty
- Hugh I of Autun, a.k.a. Hugh of Chalon, ruler & religious leader
- Hugh I, Count of Empúries
- Hugh I of Le Puiset
- Hugh I, Count of Ponthieu
- Hugh I, Count of Clermont-en-Beauvaisis
- Hugh I of Oisy
- Hugh I of Jaffa
- Hugh I, Count of Rethel
- Hugh I, Duke of Burgundy
- Hugh I, Count of Dammartin
- Hugh I of Vermandois, a.k.a. Hugh the Great
- Hugh I of Champagne, a.k.a. Hugh, Count of Champagne
- Hugh I, Count of Catanzaro, a.k.a. Hugh Lupin the Elder
- Hugh I of Arborea
- Hugh I of Angoulême, a.k.a. Hugh X of Lusignan
- Hugh I of Cyprus
- Hugh I of Ghent
- Hugh I, Count of Blois, a.k.a. Hugh I of Châtillon
- Hugh I of Charpigny
- Hugh I of Jerusalem, a.k.a. Hugh III of Cyprus
- Hugh I of Chalon-Arlay
- Hugh I de Audley