Dondingalong is a locality in the Kempsey Shire of New South Wales, Australia. It had a population of 664 as of the .
The Dondingalong Bush Fire Brigade was formally established in August 1981 but had existed in some form since 1942.
The Dondingalong Multi-Purpose Centre is located at the Kalateenee Recreational Reserve.
The Dondingalong Off-Road Circuit, operated by the Kempsey Macleay Off Road Club, located off Gowings Hill Road, is a popular racing venue.
The Pipers Creek Grove (also known as Dondingalong Organic Bushfoods) bushfood plantation is located at Dondingalong.
Dondingalong Public School opened in 1865, was half-time with Sherwood from 1872 to 1876, closed from 1876 to 1881 and was half-time with Sherwood from 1881 to 1882. It operated as a full-time school from 1882 to 1916, during 1918, and from 1928 until it was closed permanently in 1965.
A postal receiving office at Dondingalong opened on 1 August 1896, became a post office on 1 July 1927, and closed on 30 June 1931.
The former Dondingalong Uniting Church (formerly a Wesleyan and Methodist church) opened in 1892. It has closed and been sold.
Dondingalong was affected by a bushfire on 12 February 2017, which destroyed two homes, seven outbuildings, fencing and stock.
Dondingalong has a number of heritage-listed sites, including: