Guillou is a surname of Breton origin. It may refer to any the following people:

Guillou
Pronunciationpronounced [ɡwiʎu], pronounced [ɡɥiʎu], pronounced [ɡɥiʎɔʊ] and French pronunciation: [ɡi.ju]
Origin
Word/nameBreton
Region of originBrittany
Other names
Variant form(s)Le Guillou, Guilloux, Guillo
[1]

Guillou derives from the Breton name Gwilhoù which is a hypocorism of the name Gwilherm which is known as William in English.

See also

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References

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