The Northern Territory Police Force is calling for information to locate 39-year-old Alvina Daley who was mistakenly released from custody at the Katherine courthouse this afternoon.

She was last seen wearing a black Casuarina All Sports Club shirt.

Police advise the public not to approach and anyone with information is urged to contact police on 131 444 or Crime Stoppers on 1800 333 000 or report anonymously via crimestoppersnt.com.au.