In this paper a review of the state of the art has been presented on Infrared face recognition. A comprehensive review of the state of the art has been already done in [1] in 2008. Our review is a complement of the mentioned work [1] with more emphasis given to more recent or more important publications. Initially, we will review the basic important works on Infrared Face Recognition before 2008. Afterwards, we will focus on the recent works which are not reviewed in [1]. Finally, we will draw the conclusions.