The actor will appear in the eighth episode of the season, TV Line reports.
Jordan is expected to play the owner of an art gallery, but further details of his storyline are being kept under wraps.
Jordan has previously had roles in shows such as Boston Legal, Privileged and Will & Grace. More recently, he appeared in the movie The Help.
Other stars who have signed up for roles in the eighth and final season of Desperate Housewives include Miguel Ferrer and Andrea Parker.
Meanwhile, former cast member Jesse Metcalfe has revealed that he would "definitely be open" to returning to the series.
Desperate Housewives airs on Sundays at 9/8c on ABC.
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