The thefts happened in the Hawthorn Road area at around 2am on June 1.
Police are warning residents in the area to ensure that their vehicles are locked after a number of items were taken from unlocked cars.
Officers are now appealing for help in identifying the two people pictured.
A police spokesman said: "We would like to speak to these two people in relation to a number of thefts from vehicles that happened in Thornton.
Unfortunately, a number of vehicles were found to be unlocked and were stolen from.
Anyone with information should contact police on 101 quoting log number LC-20170601-0888.