Munashe Charles Kutyauripo, known as Charlie, was attacked at Ashton Playing Fields following his friend's party at Woodford social club on Saturday 9 January.
He was taken to hospital but died from a stab wound to the chest.
The 16-year-old charged with his murder will appear at Willesden Youth Court on Wednesday.
A teenager has been charged with murdering a 16-year-old who was stabbed after a birthday party in east London.