Ishiah or Ishijah or Jesiah = "Jehovah will lend"
- a Korhite, one of David's mighty warriors who joined him at Ziklag
- the 5th of 5 sons of Izrahiah and one of the heads of the tribe of Issachar in the time of David
- a Levite, the 2nd son of Uzziel and grandson of Kohath
- another Levite, son of Rehabiah
- a descendant of Harim who had a foreign wife