MacDonell, Macdonell, or McDonell is a surname of Scottish origin. It is an anglicized form of the Gaelic patronymic Mac Dhòmhnaill, meaning "son of Dòmhnall". The personal name Dòmhnall is composed of the elements domno "world" and val "might", "rule". The name is a variation of other Clan Donald surnames such as MacDonald and Donaldson.

MacDonell
Language(s)Gaelic
Origin
Meaning"Son of Dòmhnall"
Region of originScotland
Other names
Variant form(s)Donnell, MacDonnell, McConnell, MacConnell, Donald, MacDonald, McDonald, Donaldson

Notable people with the surname include:

Scottish clan