The Federal Commissioner for Data Protection and Freedom of Information (BfDI, German: Bundesbeauftragter für den Datenschutz und die Informationsfreiheit), referring to either a person or the agency they lead, is tasked with supervising data protection as well as acting in an ombudsman function in freedom of information.

[1] Before the commencement of the German Freedom of Information Act, the title was "Federal Commissioner for Data Protection (BfD)".

During their time in office, the Commissioner receives remuneration in the amount commensurate with a federal official in salary group B 11.

His legal position and the procedure of his establishment are subject to the provisions of the Federal Data Protection Act.

His competence is limited to supervision of the entire public sector at the federal level and of telecommunications and postal services providers.