The South Korea international, 26, joined Spurs from Bayer Leverkusen in 2015 and has since scored 47 goals across 140 appearances.
Son represented his country at the World Cup in Russia and Tottenham said he was now ready to link up with his club-mates ahead of the pre-season tour of the United States.
In a video tweet posted by Spurs, son said: “I’m very happy to sign a new contract. I hope to see you this season at the new stadium.”
son represented his country at the World Cup in Russia. He scored twice during the tournament, including one in South Korea’s shock win over defending champions Germany.
✍️ We are delighted to announce that Heung-Min Son has signed a new contract with the Club, which will run until 2023.
▶️https://t.co/jmNE7GniNC#COYSpic.twitter.com/dUeS1SO7IU
— Tottenham Hotspur (@SpursOfficial) July 20, 2018
More to follow…