In this paper, we review the role of information fusion in data privacy. To that end, we introduce data privacy, and describe how information and data fusion are used in some fields of data privacy. Our study is focused on the use of aggregation for privacy protections, and record linkage techniques. © 2011 Elsevier B.V. All rights reserved.Partial support by the Spanish MICINN (Projects TSI2007-65406-C03-02, TIN2010-15764, TIN2011-27076-C03-03, ARES – CONSOLIDER INGENIO 2010 CSD2007-00004) is acknowledged.Peer Reviewe