Police were called at approximately 9pm on Tuesday, 24 December to reports of shots fired in Battersea Church Road, SW11.
Officers and London Ambulance Service attended and a man – believed aged in his 30s – was found suffering gunshot injuries; he was pronounced dead at the scene.
No arrests; enquiries into the circumstances continue.
Homicide detectives from Specialist Crime are investigating.
Anyone with information is asked to contact police on 101 or tweet @MetCC and quote CAD 6410/24Dec. Alternatively, call Crimestoppers anonymously on 0800 555 111.