A monologue is a “long speech given by a character in a story, movie, play, etc., or by a performer”.
It should have a precise beginning and ending, with an interest provoking interior. It should show off your acting ability and generally match your personality. It should also match your age and gender.
Below you will find a list of resources for your convenience. The purpose of them being here is for you to find a suitable monologue for your audition.
Bridge to Terrabithia — Boy — Any Age — 1-2 minutes
Shakespear Monologues — Boy/Girl — Any Age — 1-2 minutes
A Little Princess — Girl — Any Age — 1 minute
Kung Fu Panda — Any — Any Age — 1 minute +