The alleged assault took place at Club V at 88 Yorkville Ave., in the very early hours of Jan. 1.
According to police, a female suspect threw a bottle at another woman at about 1:45 a.m.
The victim suffered facial injuries. Police say the suspect left the club after the incident.
On Friday, police released a photo of the suspect. Two days later, they announced that an arrest had been made.
Vanessa Irish, a 28-year-old Toronto woman, faces a charge of assault with a weapon. She is due to appear in court on April 7.