Croatian sports daily Sportske Novosti is reporting that Kovacic, 20, is the subject of considerable curiosity from the Toffees.
The Croatian playmaker only recently signed a new deal tying him to the Nerazzurri until 2019 but it is believed that Everton are planning a summer swoop.
Kovacic has netted five goals in 24 Serie A appearances this term which has turned heads at Goodison Park leading to the transfer speculation.
The 19-time Croatia international joined Inter from Dinamo Zagreb in 2013 and has emerged as one of the brightest youngsters in Europe in recent times.
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