Stanley Toft Stewart PJG CMG (13 June 1910 – 9 February 1992) was a former Singaporean civil servant, diplomat and former district officer of Butterworth and Balik Pulau.

[9] In 1934, Stewart was supposed to be one of the two to be appointed as a Queen's Scholar, which would have allowed him to further his studies in the United Kingdom, but he was unsuccessful.

[2][10] Instead, he was one of the first two to be selected to the work in the Straits Settlements Civil Service, and he left Penang for Singapore on 1 October 1934.

[17][18] After the war, Stewart was transferred back to Butterworth and promoted to serve as a district officer in the Colonial Administrative Service, one of the first locally born to be appointed for the position.

[20][21] In 1959, Stewart was appointed as the permanent secretary in the Ministry of Home Affairs, and he was involved in merger talks alongside other government officials such as Prime Minister Lee Kuan Yew and Minister for Finance Goh Keng Swee.

[22][23] In 1963, Stewart was appointed as the permanent secretary in the Prime Minister's Office and head of civil service, before officially retiring in 1964.