Dubravka has spent the last 14 months representing the Magpies, with the 30-year-old making 42 Premier League appearances.
Newcastle are keen to extend Dubravka's contract, but the Dubravka's agent Pavel Zika says his client is attracting interest from a number of top clubs.
Zika told Ruik: "We can confirm that Martin belongs to the Juventus scout department's list of long-term players.
"However, we must mention that it is not only monitored by Pavel Nedved's Juventus, but there are also Premier League clubs.
"Our personal tip with my brother is that Martin stays in England.
"Our effort, but also Newcastle's endeavour, is to negotiate a new contract at the end of this season.
"Martin came to Newcastle as a virtually unknown Czech league player.
"But he quickly became a major player of the entire team and already has an excellent reputation throughout the English league."