Allan, Allanach, Allanson, Allison, Arrell, Arrol, Barclay (in Ulster), Bart, Bartholomew, Bartie, Bartson, Black*, Brice, Bryce, Caa, Callander, Caw, Condey, Condeyie, Condy, Cunnison, Galloway (in Stirling), Grassick (in Montrose), Grassie (in Aberdeen), Greusaich, Griesch (in Aberdeen), Grua- mach, Kennson, Kinnieson, Kinnison, Knox, Leaper, Lechie, Lennox, MacAindra, MacAllan, MacAllen, MacAndrew, MacAndro (in Dunbarton), MacCaa, MacCause, MacCaw, MacCondey, MacCondeyie, MacCondy, MacEach, MacEachern, MacEoin, MacErrachar, MacErracher, MacFarlan, MacFarland, MacFarlane, MacFarquahar, Macferlant (in Poland), MacGaw, MacGeoch, MacGilchrist, MacGreusach, MacGreusich, MacInally, MacInnes, MacInnis, MacIn­stalker, MacIock, MacJames, MacJock, MacKindlay, MacKinlay, MacNair, MacNaiyer, MacNayer, MacNeur, MacNider, MacNiter, MacNoyer, MacNuyer, MacRobb, MacWalter, MacWilliam, McFarlan, McFarland, McFarlane, Michie, Millar, Miller (in Dunbarton), Monach, Monachock, Nacfaire (in France), Parlan, Robb, Smith (in Dunbarton), Spruell, Stalker, Thomason, Thomson, Weaver, Webster, Weir, Williams, Williamson, Wilson, Wylie, Wyllie.

This is from the Clan MacFarlane Society website, they have taken it from FamilyTreeDNA