This is a list of surnames in which the categories include conflict.
BarrettEnglish Probably derived from the Middle English word barat meaning "trouble, deception", originally given to a quarrelsome person.
BattleEnglish From a nickname for a combative person. In some cases it may come from the name of English places called Battle, so named because they were sites of battles.
BellandiItalian Means "son of Bellando", from a medieval given name derived from Latin bellandus meaning "which is to be fought".
CollingwoodEnglish From a place name, itself derived from Old French chalenge meaning "disputed" and Middle English wode meaning "woods".
GuerraItalian, Spanish, Portuguese From a nickname meaning "war", given to a belligerent person or one engaged in warfare.
HuxleyEnglish From the name of a town in Cheshire. The final element is Old English leah "woodland, clearing", while the first element might be hux "insult, scorn". A famous bearer was the British author Aldous Huxley (1894-1963).
KnellerGerman Originally a nickname for a noisy or disruptive person, derived from Old German knellen"to make noise, to cause a disturbance".
LiuChinese From Chinese 刘 (liú) meaning "kill, destroy". This was the surname of Chinese emperors of the Han dynasty.
O'HannagainIrish From Irish Ó hAnnagáin, which means "descendant of Annagán". The given name Annagán was a diminutive of Annadh meaning "delay".
PrattEnglish From Old English prætt meaning "trick, prank". This was a nickname for a trickster.
SciarraItalian From Sicilian sciarra meaning "quarrel, dispute", originally a nickname for a quarrelsome person.
TuckerEnglish Occupational name for a fuller of cloth, derived from Old English tucian meaning "offend, torment". A fuller was a person who cleaned and thickened raw cloth by pounding it.
Tyson 1English Derived from a nickname for a quarrelsome person, from Old French tison meaning "firebrand".
WruckGerman From Middle Low German wrok meaning "cantankerous".