Boso I may refer to:

Boso the Elder, first of the Bosonid dynasty ( 944–997), count of La Marche and Périgord Boso I of Turenne (died 1091), viscount of Turenne (died 1113/1114), bishop of Aosta (died 1125)

See also Boso II Boso III Boso of Provence Boso of Tuscany Boso of Arles

fr:Boson Ier