Recent reports have suggested Chelsea are lining up a move for the Uruguayan following his stunning hat-trick against Juventus at the weekend.
Manchester United have also been credited with an interest in Cavani in the past, but the player's agent, Claudio Anellucci, insists there is nothing in the rumours and that the South American is happy in Naples.
"The market offers? Everything is ridiculous," Anellucci told Radio Kiss Kiss.
"These rumours, in addition to being absolutely groundless, are useful only to destabilise the player and the environment.
"Cavani, I repeat, wants Napoli and Napoli want Cavani. Nothing more."
Napoli president Aurelio De Laurentiis claims he would turn down a bid worth 50million euros for Cavani.
De Laurentiis is keen to keep Cavani and has no plans to sell him whatever offers come in for him
"I wouldn't even sell him for €50m," said De Laurentiis. "I would say 'no' if Manchester City wanted him."