Sir Sydney Caine KCMG (27 June 1902 – 2 January 1991) was an educator and economist.

Caine attended Harrow County School in London, England.

[1] He proposed the imposition of new water charging system amid the construction of Shing Mun Reservoir and income tax.

He was an alumnus of the LSE, and, before his appointment as director of the school, he was a well-known economist who had acted as a consultant for the World Bank for a period of time and had worked as a diplomat, being appointed minister at the British Embassy in Washington, US.

Between 1963 and 1970 he was the chairman of the governing board of the UNESCO International Institute for Educational Planning.