Sacha Olivia Butlin appeared before the Royal Court on Friday morning.
She has been charged with assaulting a woman and a man at Vittoria in Liberty Wharf on 8 March this year, as well as a further charge of grave and criminal assault against the man.
Ms Butlin is also accused of being drunk and disorderly on the nightclub premises on the same date.
She denies all four charges.
A three-day jury trial has been scheduled for 4 January 2021.