Kadom (, ) is an urban locality (an urban-type settlement) and the administrative center of Kadomsky District of Ryazan Oblast, Russia, located on the Moksha River from Ryazan. Population:
It has been known since 1209. It had town status until 1926, when it was demoted to a rural locality. Urban-type settlement status was granted to it in 1958.
Kadom is home to Kadomsky veniz, which manufactures embroidery goods. There is also a woodworking and a dairy processing plant in the settlement.