Cops were looking for a perv who allegedly groped a woman during a subway ride in Queens.

The man, captured in a surveillance photo, grabbed a 32-year-old woman’s crotch while they were riding on a southbound 7 train through Elmhurst on Oct. 10, according to police.

The suspect got off the train at the Junction Boulevard station and fled.

Cops on Monday were asking anyone with information to contact the NYPD’s Crime Stoppers Hotline at 1-800-577-TIPS (8477).