Sir Lachlan Mór Maclean or Big Lachlan Maclean, was the 14th Clan Chief of Clan MacLean from late 1573 or early 1574 until 1598.
- Occupation
- Scottish clan chief
- Position held
- Chief of Clan Maclean, Laird of Duart
- Citizenship
- Kingdom of Scotland
- Born
- 1558
- Died
- 1598