Surname Ibaibarriaga (Ibaibarriaga 
) , globally, is a rare cognomen. The cognomen Ibaibarriaga is habitual in Spain, where it is a rare surname, Chile, where it is a very rare surname, and Mexico. Measured by absolute frequency, the name is most common in Spain, Mexico, and the United States. Much less frequently, Ibaibarriaga is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ibaibarriaga | Mexico, Spain, Brazil, Chile, United States |
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martina ibaibarriaga Spanish military personnel, ES (b. 1788) |
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juanita ibaibarriaga Spanish activist, ES (b. 1934) |
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| hipólita ibaibarriaga Spanish pelotari, ES (b. 1914) |
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aitziber ibaibarriaga Basque politician and architect, ES (b. 1983) |
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| leire ibaibarriaga researcher |
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| juan ibaibarriaga Spanish footballer |
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Mã, Alvaro, Andrea, Ainara, Carlos, Pancho, Rafael, Jaione, Javier, Tomás, Itsasne, Itxaso, Iñigo, Oihane, Marilui, Matías, Alberto, Aitziber, Barbara, Deborah, Germán, Nicolas, Sergio, Silvia, Monica, María, Mª, Liz, Iã, Jose, Juan, Nora, Emma, Igor, Maria, Marta, Iraultza, Amaia, Chris, Clara, Cindy, Pedro, Pilar, Laura, Leire, Jesus, Nerea, Erika, Asier, and Ignacio