Fans all wanted a piece of Lionel Messi and Kylian Mbappe memorabilia in the hours after the two soccer stars put on a show in the World Cup final ... with auction officials telling TMZ Sports the demand for their items rivaled that of Michael Jordan and LeBron James.

Officials from PWCC Marketplace tell us that following the Argentina vs. France tilt on Sunday -- items associated with Messi and Mbappe became the most sought-after in their auction space.

Per a rep from the auction house, searches for Messi rose 345 percent from his normal average. Mbappe queries, meanwhile, rose 363 percent.