The pensioner died following the horro crash with the lorry, according to The Met.
The man in his 70s was pronounced dead at around 11.35am, his family have been told.
A Met Police spokesperson said:“On Friday, May 22, at 11.03am, police were called to reports of a road traffic collision between a pedestrian and a HGV on Clapham High Street, Clapham Officers attended alongside the London Ambulance Service and London’s Air Ambulance.
“A man in his 70s was assessed and treated at the scene by paramedics. Despite the efforts of the emergency services, the man was sadly pronounced dead at 11:36hrs.
“His next-of-kin have been informed. An investigation is ongoing and anyone with information or dashcam footage is asked to contact police on 101, quoting CAD2859/22MAY26. Alternatively, you can call the North Serious Collision Investigation Unit witness line on 0207 960 8044.
