Claro or CLARO may refer to:
- Claro, Switzerland, in the canton of Ticino
- Claro Americas, a mobile and fixed voice and data communications company
- Claro Argentina, Paraguay and Uruguay
- Claro El Salvador
- Claro Guatemala
- Claro Jamaica
- Claro Puerto Rico
- Claro República Dominicana
- CLARO (political party), a political party in Orihuela, Spain
- Claro (surname), a surname (includes a list)
- Claro Wapentake, the former district of Yorkshire
- Clarion (instrument), or Claro, a medieval brass instrument
- The wood of the Juglans hindsii, sometimes called claro walnut.
- A light-colored cigar wrapper