The Evening Standard is reporting that the north London side have entered the race to sign the 24-year-old defender but face interest from Chelsea FC and Everton.
The same article states that Chelsea FC view Lascelles as a key signing to improve their options at centre-half following a disappointing 2017-18 Premier League season.
Spurs could lose Belgium international Toby Alderweireld in the summer transfer window amid interest from Manchester United in the contract rebel.
According to the same story, Spurs view Lascelles as one of two possible replacements as well as Ajax teenager Matthijs de Ligt.
The Toffees are tipped in the report to make an opening offer in the region of £30m to test Newcastle’s resolve to keep their talismanic defender.
Chelsea FC finished in fifth place in the Premier League table to miss out on a Champions League spot for the second time in three seasons.
Tottenham have ended up in the top four in the last three seasons under Mauricio Pochettino after a third-placed finish this term.
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