Idro may refer to:

Places, Italy Idro, Lombardy, a comune in the Province of Brescia Lake Idro (or Lago d’Idro), a subalpine lake in the Provinces of Brescia and Trento

Organisations IDRO, Industrial Development and Renovation Organization of Iran IDRO, Internal Dobrujan Revolutionary Organisation

People Richard Idro, a Ugandan pediatric neurologist.