Dayrit is a surname. Notable people with the surname include:

Amando G. Dayrit (1912–1944), Filipino journalist Conrado Dayrit (1919–2007), Filipino scientist Fabian Dayrit, Filipino chemist Francisco Dayrit Sr. (1907–1983), Filipino fencer Nicolasa Dayrit Panlilio (1874–1945) Ryden Dayrit (2012-)