"The Passion of the Christ", which featured dialogue in Hebrew and Latin, had held the title since 2004, with a total gross of $14.56 million.
Official distributors of "Parasite", Curzon Artificial Eye, announced the news via Twitter after the figures were unveiled on Sunday, reports aceshowbiz.com.
"This weekend we're celebrating the fact that Bong Joon Ho's universally acclaimed #Parasite has now become the highest grossing foreign language film in UK box office history!"
"Parasite" claimed four Academy Awards, including Best Picture and Best Director, at Hollywood's big night last month (February), and has taken in more than $257 million across the world to date.