In all the world, Ibarreta (Ibarreta 
) is an extremely rare unknown gender forename. Much more frequently, Ibarreta is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ibarreta | Philippines, United Arab Emirates, Argentina, Spain, United States |
| doña maría ysabel josefa teodora gonzález de olañeta y ibarreta, 3rd marquesa de valdeterrazo (1897-1958) (b. 1897) |
|
Fe, Alex, Alma, Anna, Amie, Aida, Aiza, Cris, Kaua, Kris, Raul, Roma, Rona, Rene, Reno, Remy, Rico, Ruby, Ruth, Rudy, Ruel, Rhea, Myla, Myra, Mila, Mona, Ana, Ane, Amy, Ada, Bel, Pol, Pio, Roy, Rey, Gil, Ryan, Lee, Luz, Joy, Ems, Vic, Fco, Ivy, Iã, Mart, Mark, Mara, Lea, and Dina