MacArthur
John Alexander MacArthur of that Ilk
Macdonald of Sleat
Sir Ian Godfrey Bosville Macdonald of Sleat, Bt.
MacGregor
Sir Malcolm of MacGregor of Macgregor, Bt. 24th Chief of Clan MacGregor & Convenor, Standing Council of Scottish Chiefs
MacKenzie
John Ruaridh Grant Mackenzie, 5th Earl of Cromartie
Maclachlan
Euan John Maclachlan of Maclachlan – 25th Chief of Clan MacLachlan
Macnab
James William Archibald MacNab of MacNab
MacTavish
Steven Edward Dugald MacTavish of Dunardry – Chief of Clan Mactavish
Malcolm
Malcolm of Poltalloch, Robin Neill Lochnell, JP, DL, Chief of the Name and Arms of Malcolm (MacCallum)
Mar
The Rt Hon. The Margaret of Mar, 31st Countess of Mar and Lady Garioch
McAlpin
Arms: Gules on a bend Argent between in chief a fir tree eradicated Argent and in base an ancient crown Or a sword in bend Gules hilted and pommeled Or a bordure engrailed parted per pale Azure and Argent.