When used in reference to data: identifiable data are all types of data or any piece of information that can be used to identify or reidentify an individual.
It can be also used in reference to a person. Particulary in legal texts, it appears in the following combination "identifiable natural person". From the legal perspective, an identifiable natural person is a living individual who can be identified, directly or indirectly, in particular by reference to an identifier such as a name, an identification number, location data, an online identifier or to one or more factors specific to the physical, physiological, genetic, mental, economic, cultural or social identity of that natural person.
