No, Omar is an Arabic name, but considering that Arabs reached the iberian peninsula and that Arabic and Spanish cultures interacted, it is possible to find Spanish Muslims with the name Omar.
Omar is Arabic-derived and means: speaker, flourishing, and long-lived
Omar Alfanno's birth name is Omar Enrique Alfanno Velzquez.
Omar Naber's birth name is Omar Kareem.
Omar Doom's birth name is Omar Makhdoomi.
Omar Boflot's birth name is Omar Elmissiry.
Omar Anguiano's birth name is Omar Xavier Anguiano.
Kanza Omar's birth name is Kanza Mary Omar.
Yamil Omar's birth name is Yamil Omar Walls.
Omar Sivori's birth name is Enrique Omar Sivori.
Omar Stoutmire's birth name is Omar Array Stoutmire.
Omar Infante's birth name is Omar Rafael Infante.