Prokar Dasgupta OBE FRCS is an Indian-born British surgeon and academic who is professor of surgery at the surgical academy at King's Health Partners, London, UK.

They were the first in the UK to use this method of injecting Botox into the bladder wall using a flexible cystoscope, and it subsequently became known as the "Dasgupta technique".

His awards include the Fellowship of King's College in 2018, the St Peter's Medal from the British Association of Urological Surgeons (BAUS) in 2020, the Kings James IV Professorship of surgery by the Royal College of Surgeons of Edinburgh, and the Padma Shri from the Indian government in 2022.

[1] He received his early education at St Paul's School, Rourkela, before studying at St. Xavier's College, Kolkata.

[9] In 1998, his paper on the topic showed that in people treated with capsaicin instillation, bladder biopsies were normal after five years.

[15][16] He was a co-principal investigator in the first randomized, double-blind, placebo-controlled study pertaining to the procedure, conducted at Guy's Hospital, and it was included as a second-line treatment for refractory overactive bladder by the UK's National Institute for Health and Care Excellence (NICE) in 2006.

[13][21][22][23] In 2014, he spoke at Pakistan's Sindh Institute of Urology & Transplantation with proposals to assist Pakistani surgeons with robotic surgery.

[24] The following year he was appointed honorary director in the Department of Robotic Surgery at Apollo Gleneagles Hospitals, in Kolkata, India.

[4][41] Dasgupta was appointed Officer of the Order of the British Empire (OBE) in the 2023 Birthday Honours for services to surgery and science.