A courtesy term not enshrined in the Constitution, the spouse's role has never been codified or officially defined, but nevertheless figures prominently in the political and social life of Singapore.

[1] Jane Yumiko Ittogi is currently the spouse of the ninth President of Singapore, after her husband Tharman Shanmugaratnam won the 2023 presidential election with 70% of the valid votes.

In December 1959, Noor Aishah, wife of President Yusof Ishak, became the first person to assume the role at the age of 26.

[2] Her biography, Puan Noor Aishah: Singapore's First Lady, was published in 2017.

[3] On 14 September 2017, Mohammed Abdullah Alhabshee became the first gentleman, after his wife Halimah Yacob won the 2017 presidential election by an uncontested walkover.