Theodorus Jacob de Jong (born 11 August 1947) is a Dutch former professional footballer and former football coach.
During his career, he played for NEC Nijmegen and Feyenoord Rotterdam. He earned 15 caps and scored 3 goals for the Netherlands national team and played for them in the 1974 FIFA World Cup Final.
De Jong was a member of the Feyenoord team that won the UEFA Cup in 1974, beating Tottenham Hotspur in the then two-legged final. He later played three seasons in Hong Kong for Seiko.
His son, Dave de Jong, was also a professional footballer.