Victoria Police have released images of three men believed to have escaped from Beechworth Correctional Facility sometime overnight.
Billy Sperling, 25, is serving time for property, traffic, assault and drug-related offences.
He is described as Caucasian with brown eyes, a medium build and 178cm tall.
Thomas Smith, 27 is serving time for traffic, property, drug and damage-related offences.
He is described as Caucasian with green eyes, a medium build and about 187cm tall.
Geoffrey Pennell, 34, is serving time for burglary, theft, drug, traffic and damage-related offences.
He is described as Caucasian with blue/grey eyes, a thin build and about 178cm tall.
Police have not released details on how the inmates escaped the minimum security facility.
In the case of a sighting, investigators are urging the public not to approach them, but to contact Triple Zero (000) or Crime Stoppers on 1800 333 000.