He was in charge of the Harimau Malaya between 2000 and 2004, leading them to a third-place finish in the 2004 Tiger Cup.
Before his stint in Malaysia, he was Terry Venables' assistant coach at Barcelona, had a brief stint at Espanyol, and managed Egyptian side Al-Ahly.
He also had a playing career, turning out as a defender for various clubs over 16 years including Chelsea and QPR.
The two clubs were among those who paid tribute to Harris.
Chelsea Football Club is greatly saddened to learn of the passing of Allan Harris, our former defender who made over 100 appearances in the 1960s... https://t.co/1X7RfY07Hc pic.twitter.com/4PtSrSKBju
— Chelsea FC (@ChelseaFC) November 23, 2017
? #QPR are saddened to learn of the passing of former R's defender and assistant manager, Allan Harris.
— QPR FC (@QPRFC) November 24, 2017
May he rest in peace. pic.twitter.com/1EC5o9zlxo
