Daik-U Township is a township in Nyaunglebin District in the Bago Region of Myanmar.

Prior to the Second Anglo-Burmese War, the area around Daik-U was composed of small villages.

[3] After the British built a railway between Rangoon (now Yangon) and Pyuntaza in 1878, with a railway station at Daik-U, a bustling village emerged, accelerated by the construction of a highway between Rangoon and Mandalay in 1923.

[3] The 2014 Myanmar census reported that Daik-U Township had a population of 202,530.

[6] The census reported that the median age was 25.9 years, and a sex ratio of 91 males per 100 females.