Tihomil Beritić (24 June 1919 – 6 April 1999) was a Croatian physician. Born in Herceg Novi, he graduated from the School of Medicine, University of Zagreb in 1943, where he obtained his Ph.D. in 1980. His research focus was hematology and toxicology. He spent most of his career at the Institute for Medical Research and Occupational Health in Zagreb as the founder and head of the Occupational Disease Department. He was also a long-time editor of professional journals Liječnički vjesnik and Arhiv za higijenu rada i toksikologiju.