The 55-year old was arrested on Sunday morning in North Carolina for cocaine possession, marijuana possession, and possession of drug paraphernalia.
According to TMZ, the marijuana and paraphernalia charges will be classified as misdemeanors but the possession of cocaine charge could be classified as a felony.
The authorities say that Sohn was taken to the station around two in the morning, where she posted a $1,500 bail and was released six minutes later.
The actress is set to be arraigned for these charges on Tuesday.
Sonja Sohn is best known for her roles as Detective Kima Greggs on the HBO drama The Wire and Detective Samantha Baker on the ABC series, Body of Proof.