Dr Regina Lim is a Consultant at the Department of Renal Medicine at Tan Tock Seng Hospital (TTSH). She graduated from the National University of Singapore in 2014, and subsequently obtained the Membership of the Royal College of Physicians (United Kingdom) and the Master of Medicine (Internal Medicine, Singapore) in 2017. She completed her specialist training in Renal Medicine and attained specialist accreditation in 2022.

Her clinical and research interests include glomerular diseases, genetic kidney disease and chronic kidney disease. She is a co-investigator in several clinical trials and is one of the co-leads of the Renal Medicine Strategic Research Programme, Singapore Prevention and Retardation of Kidney Disease Study (SPARKS). She was awarded the National Medical Research Council Research Training Fellowship in 2025.

In addition to clinical care and research, Dr Lim is also actively involved in medical education. She holds teaching appointments at both the Yong Loo Lin School of Medicine (NUS) and Lee Kong Chian School of Medicine (NTU), and is a core clinical faculty member of the NHG Renal Medicine Senior Residency programme.