Jenas joined Spurs from Newcastle United for £7million two years ago.
Jenas told the club’s official website: “This club has the calibre of squad that any player would want to be part of.
“The spirit in the squad is terrific, the club is ambitious and undoubtedly moving forward.
“I feel I still have a lot of potential to develop further and playing alongside team-mates of this quality will help me do that.
“I am very happy here and would love to stay at Tottenham for the rest of my career.”
