During an interview with BBC Radio 5 Live, Jackman - who plays P. T. Barnum in the film - said he's be on board if a sequel is ever going to happen.
"If a genuine opportunity came up where it felt like the right thing to do, then yep, I'd get the top hat back out," Jackman enthused.
The movie - which took $435 million (£341m) worldwide - was made by 21st Century Fox which is currently in the process of being bought by Disney which means a sequel could one day happen, but the X-Men actor isn't sure what the future holds.
He said: "We have a situation in the business where the company that did it has been sold to Disney, so there are a lot of spinning plates right now.
"I'm not sure what they would do, but it did take a while to get the first one up, and it's not to be underestimated how difficult it is to get a musical up and going.
"But it's clear to me and to everyone that people love these characters. I loved this movie, I loved this character and it was one of the great joys of my life."
But if you're a fan of the hit musical, don't be too disappointed that there's no official plans for a sequel yet as you have another chance to see Jackman perform the lyrics 'this is the greatest show'.
Hugh Jackman said he is open to the idea of a sequel. Credit: PA
Back in November 2018, the Australian performer announced his first ever world tour, and it's called The Man. The Music. The Show.
On the tour, Jackman will perform songs from musicals such as The Greatest Showman and Les Misérables, as well as many more numbers from various Broadway musicals and films - all accompanied by a full orchestra.
The tour will be hitting the UK in May and June, this year, with shows at the Manchester Arena (on 24 May), Birmingham's Resorts World Arena (27 May) and London's 02 Arena (3 and 7 June).
Clearly not one for fans of the man to miss.
Featured Image Credit: PA