The Darjah Utama Nila Utama (English: Order of Nila Utama) is Singapore's third most prestigious national honour instituted in 1975.

[1] It is an Order conferred by the President of Singapore and was originally intended to be the highest award to be conferred to a foreign dignitary.

[2] Named after the founder of the Kingdom of Singapura, Sang Nila Utama.

As of 1 August 2019, the Order has three different grades:[3] Recipients of the honour are entitled to use the post-nominal letters DUNU.

Prior to August 2019, the 3 grades of the Order of Nila Utama were known as:[3]