Maniam a/l Pachaiappan (born 6 October 1968) is a former Malaysian football player and coach.
He is the Head coach for Malaysia Super League club PDRM.
In 1991, Maniam was the only key member of the squad, and helped his team to win Malaysia FA Cup, after beating Perak in the final by 1–0.
On 30 March 2016, Maniam became the coach of AirAsia, replacing Mohd Nidzam Jamil for the Malaysia FAM Cup club.
On 26 December 2016, Maniam returned to Selangor and been appointed as a new coach after signing a one-year contract with the club.