A woman bravely fought off an attempted rapist by biting him after he attacked her on a Brooklyn street corner early Sunday morning, authorities said.

The25-year-old woman was approached from behind by the suspect as she was walked at Morgan Avenue and Driggs Street in Greenpoint at 2:56 a.m. cops said.

He then grabbed her and pushed up against a wall where he tried to rape her.

The victim struggled with her attacker, who fled when she bit his arm, cops said.

The woman was not injured and police said she did not know her assailant.

The cowardly suspect, who was caught on surveillance video running away, was wearing a t-shirt and blue jeans, cops said.