ICAC Investigators 1998 is a 1998 Hong Kong television crime drama miniseries co-produced by Television Broadcasts Limited and the Independent Commission Against Corruption of Hong Kong. It is the ninth installment of the ICAC Investigators series with Ti Lung being the only actor to reprise his role from the previous installment, ICAC Investigators 1996. The series was released to celebrate the 25th anniversary of the establishment of the ICAC.

Tommy Tam Fu-wing, known professionally by his stage name Ti Lung, is a Hong Kong actor, known for his numerous starring roles in a string of Shaw Brothers Studio's films, particularly The Duel, The Blood Brothers, Clans of Intrigue, The Avenging Eagle, The Sentimental Swordsman and its sequel, as well as the classic John Woo film A Better Tomorrow and its sequel.