Ms Meloni noted that she was surprised at Mr Trump’s comments.
He said he sometimes disagrees with the clergy on issues related to abortion, immigration or war.
The Pope, in a Palm Sunday address, had rebuked Mr Trump for threatening to destroy Iranian civilisation.
Mr Erdogan told Ms Meloni that Ankara “closely follows” the developments in Iran and its effects on the region.
Ms Meloni’s comments come amid global outrage over alleged Christian genocide in Nigeria.
On the sidelines, Mr Tinubu held bilateral talks with Italian Prime Minister Giorgia Meloni and U.S. presidential adviser on Arab-African affairs, Massad Boulos.
The clinical condition of Pope Francis, who is suffering from pneumonia, has improved slightly, the Vatican said late on Thursday.
Italy is the first European Union state to establish camps outside the EU to decide on migrants’ asylum applications.
On Christmas Day, more than 450 people crossed the Channel in 11 boats.
Following a post on X, a journalist, Giulia Cortese, has been found guilty of defaming Italy’s Prime Minister Giorgia Meloni.
