The surname Knott has several origins.
The English-language surname is derived from the Middle English personal name Knut, a cognate of the Old Norse personal name Knútr, which is in turn derived from knútr ("knot").
The surname Knott is also a variant spelling of the German-language surname Knoth, which is derived from the Middle High German knode, knote ("knot").
[citation needed] See also: