K. Muralidharan Pillai (Tamil: கே முரளிதரன் பிள்ளை, born 30 October 1967), better known as Murali Pillai or Ah Mu (Standard Chinese: 阿穆), is a Singaporean lawyer and politician, as well as a former police officer. Pillai worked in the Singapore Police Force before his admission to practice law in 1996. In his legal career, Pillai is currently the head for commercial litigation in Rajah & Tann Singapore LLP. In his political career, he joined the People's Action Party (PAP) in 2001. Pillai was part of a team of five from the PAP who contested and narrowly lost to the Worker's Party in the Aljunied Group Representation Constituency of the 2015 Singaporean general election. In 2016, Pillai was once again fielded in as a PAP candidate for the Bukit Batok by-election. Pillai won 61.2% of the votes, securing his position as Member of Parliament for the Bukit Batok Single Member Constituency.