Cecile Kotelawala, wife of former Ceylinco Chairman Lalit Kotelawala, was arrested at Katunayake Bandaranaike International Airport upon her arrival to the island.
She arrived from England via Qatar, officials said.
She was wanted for the alleged misappropriation of nearly Rs 7.2 billion deposited in the Golden Key Credit Card Company. She is believed to have left the country in December 2008.
In 2012, it was reported that she was traced by the Interpol to an address in England.