Abstract: This global dataset contains D47, d18O and d13C data from 13 sites and 14 species of planktonic foraminifers used in a multi-species clumped isotope to temperature calibration. In addition, replicate-level raw data is provided to allow for reprocessing of the data. Other Description: Meinicke, N., Ho, S.L., Hannisdal, B., Nürnberg, D., Tripati, A., Schiebel, R. and Meckler, A.N. (2020) A robust calibration of the clumped isotopes to temperature relationship for foraminifers. Geochimica et Cosmochimica Acta 270, 160-183.