Police were called to reports of a 17-year-old male being stabbed in Berrymead Gardens at around 6.30pm.
Shortly after, officers responded to reports of a second 17-year-old with a stab wound in Goldsmith Road.
A spokesman from Ealing Police said: "Ealing officers are on scene and currently investigating the matter, the incidents are believed to be connected.
"Both males were located and received treatment from the London Ambulance Service before being transported to hospitals.
"Neither male is considered to have life threatening injuries at this time.
"While officers investigate there may be crime scenes that affect the local community.
"Please be patient while we investigate."
Posting to Twitter at 7pm, Ealing Police asked members of the public to avoid the area around Acton Park and Acton Central station.
Ealing Police is urging anyone with information relating to the incident to call police on 101.
Those wishing to pass on information anonymously can contact Crimestoppers on 0800 555 111.
Head to our live blog to catch up on the incident as is happened.
Keep up to date with the latest news in west London via the free getwestlondon app.
You can set up your app to see all the latest news and events from your area, plus receive push notifications for breaking news.