Ong Poh Lim (Chinese: 王保林; pinyin: Wáng Bǎo Lín; 18 November 1923 – 17 April 2003) was a Malayan/Singaporean badminton player who had won numerous national and international titles from the late 1940s to the early 1960s.

Known for his quickness and his aggressive, unorthodox playing style,[3] Ong won many singles and doubles titles, including the All-England, Danish, French, Malayan, Singapore and Thomas Cup championships in the 1940s and 1950s.

[7] Ong excelled in badminton during his school days and held the Sarawak singles and doubles titles from 1938 to 1941.

[26] Ong played on three consecutive world champion Malaya Thomas Cup teams of 1949, 1952 and 1955.

He emerged victorious in all of his matches during these contests, contributing significantly to Malaya's success and earning the distinction of being the only Malayan player to achieve this feat.

He had a slight limp and he compensated this by "wiggling his behind, a little like Marilyn Monroe" (in his own words) before executing a quick back-hand flick serve to fool his opponents.

Because he was originally from Sarawak where the rivers were infested with crocodiles, a British journalist coined his peculiar serve after them.

He was a keen philatelist and amassed an extensive collection of rare and unusual stamps from all over the world, including those from Indonesia, Sarawak, Brunei and the Straits Settlements.

[2][33] On 16 April 2003, SSC officials discovered Ong at his home, where he had suffered a bad fall and had been unattended for several days.