Lehi refers to:

In Mormonism:

• Lehi (Book of Mormon prophet), a prophet in the Book of Mormon of the 7th-6th centuries BC
• Lehi, son of Helaman, another prophet in the Book of Mormon of the late 1st century BC
• Lehi, a Nephite military commander in the Book of Mormon
• Lehi, a fourth figure in the Book of Mormon, son of Zoram

Places:

• Lehi, a location in southwest Palestine/Israel mentioned in the story of Samson in the Bible. The place's name in full is Ramath Lehi = Jawbone Hill.
• Lehi, Utah, a city in Utah
• Lehi, a traditionally Mormon agricultural neighborhood in northern Mesa, Arizona

Other Uses:

• Lehi (group), a Jewish/Zionist militant group that operated in the British Mandate of Palestine (also known as the "Stern Gang")