Sethi (born January 3, 1978) is an American physician.
He is the president and founder of the non-profit Healthy Tennessee and orthopaedic trauma surgeon at Vanderbilt University Medical Center.
He is the Director of the Vanderbilt Orthopaedic Institute Center for Health Policy and is the lead author of the books An Introduction to Health Policy and Orthopaedic Traumatology: An Evidence Based Approach.