You can now search for the names of people and companies [npr.org] that are included among the Panama Papers:
The International Consortium of Investigative Journalists just released a searchable database [icij.org] with the names of more than 300,000 people and companies included in the so-called "Panama Papers." The database is barebones, containing the name of the entity and how its connected to an offshore account. [...] The database released today includes the names of more than 7,000 entities from the United States. [...] The Washington Post ran a story [washingtonpost.com] today that finds that at least 36 Americans listed in the database have been "accused of fraud or other serious financial misconduct."