It happened Saturday just after 6:30 p.m. at 69-56 Grand Avenue in Maspeth.
A man was also stabbed in the back and is in critical condition.
The 41-year-old woman has been identified as Sarah Mcnally of Queens.
The circumstances surrounding the stabbing are unknown, but one witness says it may have been a dispute between a boyfriend and a girlfriend.
ALSO READ | Long Island community comes together to mourn fallen NYPD Officer Jonathan Diller
Family and community pay tribute to fallen NYPD officer
----------
* More Queens news
* Send us a news tip
* Download the abc7NY app for breaking news alerts
* Follow us on YouTube
Submit a tip or story idea to Eyewitness News
Have a breaking news tip or an idea for a story we should cover? Send it to Eyewitness News using the form below. If attaching a video or photo, terms of use apply.