Ayowale Aledejana, from South Norwood in Croydon, was found with stab wounds in a house on Monson Avenue yesterday evening (August 2).
Police were called around 7.30pm and arrived with the ambulance service.
Despite attempts to save his life, 26-year-old Ayowale died at the scene.
A man and a woman, both 23, have been arrested on suspicion of murder and remain in custody.
Detective Chief Inspector Lucie Card, who is leading the investigation, said: “Our thoughts are with Ayowale’s family and friends at this difficult time.
“I understand this incident will be concerning and we are carrying out a fast-paced and thorough investigation to establish the circumstances.
“I would encourage anyone who has not yet spoken to us.”
Detectives have released a picture of the victim as they appeal for anyone with information to get in touch.
Anyone with information about the incident is asked to call 101 quoting 6271/02AUG or message @MetCC on X.
Information can be provided anonymously to the independent charity Crimestoppers on 0800 555 111 or online.
