The ex-Red Devils right-back gave the answer "Cristiano" when asked who the reigning Premier League champions should try and sign during a quick-fire Q & A session on Twitter.
Neville played alongside Ronaldo for six years at Old Trafford before the Portuguese superstar left Old Trafford to seal an £80m dream move to Spanish giants Real Madrid in 2009. The prolific winger is widely considered the greatest player of his generation alongside Barcelona's Lionel Messi, and Neville - along with every other Manchester United supporter - would love to see him back where he cemented his reputation as a world-class footballer.
Ronaldo scored 118 goals in 292 appearances for the Red Devils, winning the 2008 Ballon d'Or after helping Manchester United win their third European Cup. However, since leaving Old Trafford, he has become an even more outstanding player.
In 237 matches, Ronaldo has netted a ridiculous 243 goals, while he added a second Ballon d'Or award to his collection earlier this year thanks to his outstanding performances for Real Madrid and Portugal throughout 2013.
But while Manchester United fans such as Neville may long for Ronaldo to return to the Premier League club, the fact that he signed a five-year deal worth £76m in September suggests that he will now stay at the Bernabeu until 2018 at least.
By that point he will be 33 years old and surely too old for Manchester United.
Still, it's nice for the United faithful to dream, isn't it?