United are in the hunt for a new midfielder as doubts surround the future of Marouane Fellaini, and reports claim that Jose Mourinho could turn his attention to N'Zonzi.
The Seville star has had previous spells in England with Blackburn and Stoke, and could be offer the chance to return to the Premier League, a league he loves.
N'Zonzi would no doubt be tempted by a move back to England, but seems happy where he is for now.
"I love the Premier League," he has been quoted as saying. "I really like the Premier League. This is where I started at a good level. I had a great time there.
"I don't know what is going to happen in the future. I am fine at Sevilla. I feel good. I am used to it now. It is my third season so I am happy."
Meanwhile, Arsenal and Manchester City are also said to be in the hunt and could rival United for his signature, should he become available before his contract expires in 2020.