The former Blackpool player is one of the contracted players that the Terriers are willing to listen to offers for and Clark believes Killie could be poised to make a raid.
He told the Huddersfield Examiner: "I've heard suggestions that Kilmarnock want to have a look at Keigan.
"There has been no contact from them as yet, but with their season still ongoing, they could be waiting to see what their situation will be."
Source: Team_Talk