Trey Songz is on the police's radar in New York after a woman claims he brutalized her last month -- a claim he's calling BS on ... TMZ has learned.

NYPD sources tell us the alleged victim filed a report in late October, claiming Trey punched her in the face repeatedly while inside a bowling alley bathroom. We're told she also alleges TS dragged her by her hair ... and that she was taken to the hospital for what cops noted were visible minor injuries.

Our sources say the woman is a worker at this establishment, but it's unclear what might've precipitated this. There's not much context beyond her account ... although, our sources say the woman recognized Trey and identified him by name to the police after the fact.

In any case ... we're told there's now an active case for this, and the cops are interested in talking to Trey at the very least. This is certainly not the greatest news for him, considering other accusations hurled at him these past few years. An NYPD spokesperson confirms to TMZ that the investigation into this is ongoing.

As we've reported ... Trey was sued for rape recently, but the case was dismissed over a statute of limitations. There've been other instances of alleged sexual impropriety attributed to the singer as well -- all of which he's denied and characterized as a shakedown.

He's also been accused of being violent with people -- including women -- in the past.

Mitchell Schuster, Trey's legal rep, tells TMZ …"A source close to the investigation informs us that TS has been cooperative with authorities and expects that when all the evidence is reviewed, he will be exonerated. This is another instance where those involved try to blame the celebrity with hopes of getting fame or riches."

Always knew this dude was a clown

Them hands is rated E for everyone

Didnt some s*** come out about him last year too like he locked a female in the room with him or something

I hope you're never accused of a violent crime

Obviously I’ll rescind my statement if it turns out the allegations are false

(Well, in this context. I really have always not liked the dude)

Trey been going down the wrong path these past few years

customers at my old job used to tell me CONSISTENTLY i looked like trey songz

like at least 2 in a week and then a coworker

i wanted to kms bc i knew it was a compliment but like feel me, this nigga is a terrorist

one allegation, not my place
two allegations, u gonna get looked at a little funny
anything more then that in a short time frame is sus, let’s be real

His history with women isn’t pretty so this shouldn’t shock anyone

Damn my nigga fckn up smh

return of a classic avi

I hated him because all the baddies in school loved him

Damn not again oh wow no

Just read Trey Songz legal history on Wikipedia.

This nigga a demon

U seen trey songz legal history?

Bro its too much problematic s*** that be coming from this nigga

Someone needs to kick his teeth in and cut his hands off

He's always been a creep. Only he's been getting sloppy with hiding his behavior these past few years

Damn looks like his payoff money ran out. This s*** from last month

Lock this clown up

Dude a true menace. been one for a minute now

Swear anytime this dude beats an allegation another one springs up immediately

The ratio on this post boutta be lit