The German winger had a remarkable 2024/25 season with Celtic, scoring 21 goals and providing 15 assists in 51 matches.
According to ChronicleLive, Newcastle United could consider Kuhn as an alternative to Anthony Elanga, given the 'big price' quoted for the Nottingham Forest man.
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The Parkhead club are reportedly asking for £15 million for their star attacker.
Newcastle scouts are said to have made several trips to watch him last season.
Meanwhile, interest in Kuhn comes soon after transfer expert Fabrizio Romano confirmed Benjamin Nygren's move to Celtic.
The Swede is believed to have signed a four-year deal at Parkhead, with an option for a further year.
Celtic will pay Danish side Nordsjaelland £1.2 million for the versatile attacker, who scored 16 goals in 32 matches last season.