The 19-year-old Switzerland Under-21 international has signed a four-year deal which ties him to Craven Cottage until 2015.
Kasami, who was born in Macedonia butrepresented Switzerland at this summer's Under 21 European Championshipwhere they lost to Spain in the final, broke into the Italian outfit's first team last season and quickly impressed.
Swiss rolls into town: Pajtim Kasami has signed for Fulham on a four-year deal
Cottagers manager Martin Jol said: 'Pajtim is a young, talented midfielder who has potential, so we are very excited about signing him on a four-year contract.
'He is a versatile midfield player who can adapt quite easily to more than one position. He is a key playerin the Swiss Under 21 team.
'I am delighted to have been able to add two talented young players to my squad with the signing of Pajtim Kasami today, and Marcel Gecov last week, as I believe that they are going to be good additions to the squadboth in the short and long term future.'
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