According to authorities, the male victim was riding on top of a Manhattan-bound J train at around 11:30 a.m. when he fell off.
The victim hit the third rail of the subway near the Essex and Delancey Street Station, and died.
Train service was suspended for several hours while first responders went to the scene.
The name of the victim has not yet been released.
Subway surfing is an ongoing and dangerous problem in the New York City subway system.
A boy lost an arm while attempting to subway surf on a train inside a New York City subway station in August.
It happened on Aug. 29th at the Roosevelt Avenue/74th Street Station in Jackson Heights, Queens.
Police say a man who was "surfing" on the outside of a New York City subway car fell to his death in 2016. It happened on Dec. 3, 2016, just north of the West Fourth Street station in Greenwich Village.
A 27-year-old man died after falling while subway surfing In Feb. of 2017. Police say the man was riding on top of a train in the Bronx when he slipped off. The man was then struck by another train while lying on the tracks.