Hiram Deats (April 12, 1810 – November 22, 1887) was an American businessman from Hunterdon County, New Jersey.

He was known for manufacturing agricultural equipment, especially the Deats plow, and became the first millionaire in Hunterdon County.

[2][3][4] They had one son, Hiram Edmund Deats (1870–1963), who was born in the Brookville section of Stockton.

[7][8] In 1852, he expanded his operations by moving stove casting to Stockton and building a new machine-shop at Pittstown to produce other agricultural equipment.

There he manufactured agricultural equipment: threshing machines, mowers, corn shellers, and reapers.