A man has been jailed for six months after stealing credit cards from the dying victim of a car crash in Hervey Bay, in southern Queensland.

Shannon James Davis, 28, took the cards from Matthew Clark's wallet as bystanders desperately tried to save his life at the scene of the crash last year.

The theft was only discovered days later when Mr Clark's wallet was returned to his wife, who realised the cards were missing.

By that time the cards were used at least 11 times to buy alcohol and other items.

Davis's female friend, Shannon Rosina Tubb, was also allegedly involved in the theft and fraud.

Members of the public were performing CPR on father Matt Clark when his credit cards were stolen. ( Facebook: )

Senior Sergeant Michael Polit described the theft as "careless and callous" and a crime that "shocked and disgusted me".

Davis appeared in the Hervey Bay Magistrates Court today, pleading guilty to four fraud charges and one count each of stealing by looting and possession of drug utensils.

He was sentenced to 18 months' imprisonment and ordered to pay $204 restitution.

He will serve six months in prison and is due to be released on June 14.

Tubb is due in court over the theft on February 16.