Laird
Scottish Gaelic
Head of household.

Lauchlan
Scottish Gaelic
From the land of the lochs.

Laughlin
Scottish Gaelic
From the land of the lochs.

Lawler
Irish Gaelic
The mumbler, the soft-spoken one.

Leith
Scottish Gaelic
A broad river. A Scottish placename.

Len
Scottish Gaelic
From a Scottish district and a surname. From the name Lennox, Leonard, etc. Len is sometimes used as an independent name.

Lennie
Scottish Gaelic
From a Scottish district and a surname. From the name Lennox, Leonard, etc. Lennie is sometimes used as an independent name.

Lennon
Irish Gaelic
A little cape or cloak.

Lennox
Scottish Gaelic
From a Scottish district and a surname.

Lenny
Scottish Gaelic
From a Scottish district and a surname. From the name Lennox, Leonard, etc. Lenny is sometimes used as an independent name.

Lesley
Scottish Gaelic
From an ancient surname. A boy or girl's name.

Leslie
Scottish Gaelic
Meadowlands.

Liam
Irish Gaelic
Determined guardian.

Loch
Scottish Gaelic
A lake.

Logan
Scottish Gaelic
Small cove.

Loman
Irish Gaelic
Enlightened. The name of several early Irish saints.

Loughlin
Scottish Gaelic
From the land of the lochs.