Tyrwhitt is an English surname. It may refer to one of the following:

A course of colloquial Chinese
A retrospective review of general surgery training outcomes at the University of Toronto.
Laparoscopic peritoneal entry with the reusable threaded visual cannula.
Patrick Geddes in India
Laparoscopic peritoneal entry preferences among Canadian gynaecologists.
The Jimberlana Norite Western Australia — a smaller analogue of the Great Dyke of Rhodesia
The Safety of Eplerenone in Hemodialysis Patients: A Noninferiority Randomized Controlled Trial
Face of the Metropolis
Cost implications of the use of basal insulin glargine in people with early dysglycemia: the ORIGIN trial
Planning and the countryside