But Ferdinand likes the look of "left field" option Calvert-Lewin who has enjoyed a brilliant term in the Premier League.
The Everton star has bagged an impressive 19 goals in all competitions this season.
And the former United captain believes he could get even more goals for the Red Devils with the likes of Bruno Fernandes and Paul Pogba playing behind him.
Speaking on his YouTube channel, he said: "Listen Dominic Calvert-Lewin for me I love him.
"I've watched a lot of Everton this year and he's one that unnerves defenders. He's not one you want to play against week in, week out. He's aggressive, he attacks the ball.
"I was speaking to Carlo Ancelloti earlier this year and he mentioned Inzaghi and said he didn't need many chances to score goals and he scores goals in and around the six-yard box."
Ferdinand added: "I look at Calvert-Lewin this season and he's listened to that, he's taken that on board.
"Obviously, he seems a real good student of the game and he's started putting that into his own game.
"We've seen the rewards he's had he's got into the England squad by scoring loads of goals in and around the six-yard box - scoring those ugly goals.
"'I think he'd be a fantastic signing for Manchester Unite. It's one out of left field a little bit but I think he'd have a big impact.
"He'd get on the end of the things created by Fernandes, Pogba, Rashford, Greenwood etc.
"It's whether Ole sees that as something that is feasible or am I not going to get the likes of Haaland or Kane? if either of those come up, they'll be first choice as long as the money is not crazy and it's doable."
Featured Image Credit: PA
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