Tan Jiak Kim; also known as Chen Ruo Mian (b. 29 April 1859; Singapore - d. 22 October 1917; Singapore) was a prominent Straits-born Chinese merchant and political activist during the early 19th century. Tan was an outstanding community leader who contributed significantly to the Straits Settlements community. He invested his wealth in generous donations to the less fortunate in society.

Tan co-founded the Straits Chinese British Association to facilitate the interests of the Straits-born Chinese and to unite the elite in a pledge of undivided loyalty to the British. He was also a successful businessman in the banking and insurance industries.