Fulham writes on their website that the 22-year-old has signed a long-term contract, with an initial loan period.
"It is of course a moment that makes both me and my family very proud - I am honored to be here," says Larsson on the club's website.
According to transfer expert Fabrizio Romano, the transfer fee is 25 million euros, approximately 280 million kronor, writes Sportbladet.
Fulham are in 16th place in the Premier League, fifth from the end.
Hugo Larsson was brought up in Malmö FF, where he made his senior debut at the age of 17. In the 2023/2024 season, he joined Bundesliga team Eintracht Frankfurt.
