Clan MacLean Septs
The following names are considered septs of Clan MacLean:
| Avoy | Bay | Bea | Beath | Beatie |
| Beaton | Beattie | Beatty | Beeton | Bheath |
| Bheatha | Bheaton | Bethune | Betun | Bey |
| Black | Clanachan | Claneachainn | Clanichan | Cormack |
| Cormic | Cormick | de Bethune | Dewart | Douie |
| Doward | Dowart | Dowie | Dowey | Dowy |
| Duart | Duie | Eachainn | Echan | Eichan |
| Evoy | Fadyen | Garbhe | Garvie | Garvey |
| Gilhon | Gillan | Gilland | Gillean | Gillivray |
| Gillon | Huey | Huie | Jarvie | Lain |
| Laine | Lane | Layne | Leach | Lean |
| Leatch | Lech | Leche | Leiche | Leitch |
| Leytch | Litch | MacAvey | McAvey | MacAvoy |
| McAvoy | Macavy | MacBay | MacBeath | MacBeatha |
| MacBea | McBea | MacBee | McBee | MacBeth |
| MacBheath | MacBheatha | MacCormack | McCormack | MacCormaig |
| MacCormaich | MacCormick | McCormick | MacClanachan | MacCracken |
| McCracken | MacCraken | McCraken | MacEachan | MacEachain |
| MacEvoy | Macevy | McEvoy | MacFadden | MacFaden |
| MacFadgen | MacFadyen | MacFadzean | MacFayden | MacFergain |
| MacFergan | MacFethridge | MacFetridge | MacGarvie | MacGarvey |
| MacGeachan | MacGillean | MacGillivray | Macgilvra | McGilvray |
| MacGuire | Maguire | MacGwyer | MacHarvey | Maciduy |
| Macildowie | Macildue | Macilduff | Macileich | Macilergan |
| Macilhuie | Macilvra | Macilvera | Macilvora | MacLergain |
| MacLegran | MacPeadrus | MacPhadden | MacPhaiden | MacPhetridge |
| MacQuire | MacRankinv | MacRaing | MacSpadden | McSpadden |
| MacSpedden | McSpedden | MacVay | McVay | MacVeagh |
| McVeagh | MacVeigh | McVeigh | MacVey | McVey |
| MacVoy | McVoy | Maguire | Niger | Paden |
| Padon | Paton | Patten | Peden | Raing |
| Rankan | Rankin | Rankine | Ranking | Vay |
| Vey |
Clan Branches
Maclean of Duart (chiefs)
MacLean of Coll
MacLean of Ardgour
Clan Maclaine of Lochbuie
Allied Clans
Clan MacLeod
Rival Clans
Clan Macdonald of Sleat
Clan Campbell
