Jarmuth was an Amorite city in Canaan at the time of the Israelite settlement recorded in the Hebrew Bible.
According to Joshua 10:3-5, its king, Piram, was one of five kings who formed an alliance to attack Gibeon in response to Gibeon's tolerance of the Israelite settlement under Joshua.
Jarmuth later became a Levitical city given to the Gershonites within the territory of the Tribe of Issachar, according to Joshua 21:20. Jarmuth is not mentioned in the parallel list of Levitical cities in 1 Chronicles 6), but Ramoth is mentioned in its place (1 Chronicles 6:73). Theologian John Gill suggested that they might have been the same place. Historical geographer Edward Robinson, dissenting, believed that there were two sites by the name of Jarmuth, and that one site in the Tribe of Judah is to be associated with the ancient ruin, Khirbet el-Yarmûk, on the south of Beit Shemesh near Bayt Nattif.
The Douai-Rheims version of the Bible has an alternative spelling, Jaramoth.