The Mullingar star is worth over €60m according to the Daily Mail UK.
Niall Horan is included on a list of the wealthiest British people under 30 years of age.
His name appears alongside the likes of singer Dua Lipa and footballer Harry Kane.
It states the former One Direction star is worth €62m.
There's one problem though - Niall Horan is from Mullingar in Westmeath.