Maria Tam Wai-chu GBM GBS CBE JP (Chinese: 譚惠珠; born 2 November 1945) is a senior Hong Kong politician and lawyer. She is a member of the Committee for the Basic Law of the National People's Congress Standing Committee (NPCSC) since 1997 and the chairman of the Operations Review Committee of the Independent Commission Against Corruption (ICAC) since 2015.