Dr Lachlan McLennan is a Specialist Anaesthetist working in public and private hospitals across Sydney.

Lachlan’s special interest is regional anaesthesia (nerve blocks) for hand, eye, orthopaedic and trauma surgery. He is also experienced in caring for plastic and reconstructive surgery and urology patients.

Lachlan graduated medicine from University of New South Wales with distinction in 2017. He undertook his anaesthetic training at St George Hospital which included Westmead Children’s Hospital, St Vincent’s Hospital, The Royal Hospital for Women, Sydney Hospital & Sydney Eye Hospital, and The Sutherland Hospital. Lachlan completed a Masters of Critical Care Medicine through The University of Sydney in 2023.

He completed fellowship training in Regional Anaesthesia & Trauma Surgery at St George Hospital, and became a fellow of the Australian and New Zealand College of Anaesthetists (ANZCA) in 2026. He is currently completing a post-graduate Diploma of Regional Anaesthesia through The European Society of Regional Anaesthesia & Pain Therapy.

Dr Lachlan McLennan enjoys teaching Anaesthesia trainees, junior doctors and nursing staff at the hospital.

Outside medicine, Lachlan enjoys running, travel and spending time with his young family and dog.