Antonio Conte is eager to strengthen his backline, with John Terry widely expected to leave Stamford Bridge.
Liverpool are also tracking Van Dijk and Jurgen Klopp thinks the 25-year-old would be a good addition to his squad.
Virgil van Dijk is in demand
Ronald Koeman is keen to be reunited with Virgil van Dijk Premier League predicted table: April update Sun, April 12, 2020
The stats geeks over at Football Web Pages have done some number crunching and predicted who they think will win the Premier League title this season
Play slideshow 1 of 20
But the Liverpool Echo claim Everton are preparing a move of their own.
Koeman, who worked with Van Dijk at Southampton, is said to be keen to be reunited with the star.
However, the report suggests Van Dijk’s £50million price-tag could be off-putting.
Manchester City have also been credited with an interest in the player.
Van Dijk’s current contract expires in 2022.
Get Quotes on Home Insurance