Here is a list of  known variants on the surname from: The most complete list of Scottish surnames and surname variant spellings, compiled by © ScotsFind, LLC.

 

Cruickshank, Cruickshanks, Cruikshand, Crookshanks, Cruiksetter, Crokeshanks, Crukschank, Cruksank, Crukshank, Cruxshanke, Crushank, Cruckshank, Cruikshank, Kriegschank, Coukschank, Crewschank, Crokeshank, Crewkschankis, Crookshank, Cruckshanke, Crucshank, Cruikank, Cruiksank, Crukeschank, Cruckshanke, Crukshaink, Cruykschank, Crwickshanks, Crwikschank, Crwkschank, Croikshank, Crokchak, Crochank, Crokshank, Crookchanks, Crookshanks, Croschank, Croukshankes, Crukschank, Krokshank, Kluckshanks, Krukchank, Krwchshanks, Krokchank