|Elevation||272 m (892 ft)|
|Time zone||UTC-6 (Central (CST))|
|• Summer (DST)||UTC-5 (CDT)|
|GNIS feature ID||1568004|
Leyden is an unincorporated community located in the town of Janesville, Rock County, Wisconsin, United States.
A post office called Leyden was established in 1850, and remained in operation until it was discontinued in 1903. The community was named after Leiden, in the Netherlands.