The incident happened in Great Cambridge Road at around 5.20pm yesterday (April 3).
Officers and London Ambulance Service crews attended and found a man who had been stabbed.
He was taken to hospital for treatment where his condition was assessed as non life threatening.
No arrests have been made as police enquiries continue.
A spokesperson for Metropolitan Police said: “Police were called to reports of a stabbing in Great Cambridge Road, Tottenham on Thursday 3 April at around 17:20hrs.
“Officers attended alongside the London Ambulance Service and London’s Air Ambulance.
“A man in his 20s was taken to hospital for treatment. His injuries are thought to be non-life threatening or changing.
“There have been no arrests at this stage. The investigation is ongoing.”
