This dataset contains zooarchaeological data collected during the analyses of archaeological animal remains from Late Bronze Age Iru fortified settlement, Estonia. The dataset consists of two tables: 1) identification data for 1672 specimens from Iru fortified settlement, from excavations in 1953-1956 (collection ID AI 4051); 2) identification data for 1385 specimens from Iru fortified settlement, from excavations in 1986 (collection ID AI 5302). The dataset is being made public to act as supplementary data for the publication Rannamäe et al. (in prep.).