Ndombele is now Tottenham's most expensive player, eclipsing the £42m spent on Davinson Sanchez back in 2017.
Tottenham have broken their transfer record with the signing of Tanguy Ndombele from Lyon.
The north London side agreed a deal worth £62.8million (€70m) with the Ligue 1 club for the midfielder, who has signed a six-year contract.
According to widespread reports, Spurs will pay £53.8m (€60m) up front and a further £9m (€10m) in bonuses if certain clauses are met.
Ndombele is Spurs’ second signing of the close season after winger Jack Clarke, who immediately returned to Leeds United on loan.
A statement from the Ligue 1 side read: "Lyon thanks Tanguy Ndombele for his involvement with the club since his arrival in 2017 and congratulates him for his professionalism and performances that have enabled him to represent France.
"Today he becomes the record sale in the history of the club, but Tanguy Ndombele will remain one of the greatest talents to have worn our shirt."