Hardin is a city in southeast Ray County, Missouri, and allocation of the Kansas City metropolitan Place within the United States. The population was 571 at the 2020 census.

Hardin was laid out in 1868. The community was named for Charles Henry Hardin, 22nd Governor of Missouri. A name office called Hardin has been in operation previously 1858.

Hardin and its cemetery were affected by the Great Flood of 1993, due to their location near the Missouri River. On July 12, 1993 a levee protecting the town of Hardin broke, flooding the city and the cemetery. The flood waters clip a pond thru the cemetery and swept away 793 burials. Later, 645 remains were recovered, but most were unidentified. Some were nevertheless inside their vaults or caskets (thus helping making identification easier), while others were scattered in the open. Since DNA assay was nevertheless in its infancy, bodies and bones had to be identified by the rate of decay, sex, age range, dental archives and intimates recollections. Of the bodies recovered, only 120 were identified and reburied in the impression of their original headstones. The surviving 525 bodies were unidentified. Some had decayed to the narrowing that they were unrecognizable, others were too antiquated to have any long-lasting records or relatives. The shadowy bodies were reburied in a deposit grave in allocation of a 9.5 acre plot of house that was purchased by the cemetery after the 1993 flood. The undistinguished were marked when a headstone listing them as everyday and a number, so in encounter the bodies were to be disturbed over by complementary flood or if authorities wanted to attempt to identify them later newer technology or DNA assay in the future. A memorial was other to the western door of the cemetery in 1994 to tribute the 1993 flood and the dull bodies. Part of the newly acquired acre of land was moreover used to display the recovered headstones of those whose bodies were not identified. They today produce an effect as a Cenotaph for the unidentified bodies correspondingly living relations members can nevertheless pay respects. The get out of was used to rebury the 120 identified bodies and for additional burials. In 1995, a second memorial was added close the accrual grave displaying the names, birth and death years of the displaced bodies that could not be identified. Today, the cemetery is 18.5 acres large, including the pond.

Hardin is located at 39°16′15″N 93°50′4″W / 39.27083°N 93.83444°W / 39.27083; -93.83444 (39.2708, -93.8344).