Family name Piketo (Piketo 
, Piquet 
, Picket 
) , worldwide, is a common last name. The last name Piketo is habitual in France, where it is quite a common surname, Uruguay, where it is quite a rare surname, and Luxembourg. In absolute terms, it is the most numerous in France, the United States, and Argentina. Very seldom, Piketo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Piketo | India |
| Piquet | Brazil, Argentina, France, United States, Spain |
| Picket | Brazil, Canada, United Kingdom, United States, India |
| Pikett | Canada, United Kingdom, United States, New Zealand, Spain |