Dingley is an English surname. Notable people with the surname include:
Bert Dingley (1885–1966), American racecar driver
Joan Dingley (1916–2008), New Zealand scientist, expert in the study of fungus
Nelson Dingley, Jr. (1832–1899), American journalist and politician from Maine
Venerable Sir Thomas Dingley (died 1539), Catholic martyr executed for treason by Henry VIII
Razzle (musician), Nicholas Dingley, (1960–1984) drummer of Hanoi Rocks