'''Onar''' may refer to:
* Ónar, in Norse mythology * Onar, Ardabil, a town in Iran * ONAR, a Greek musical group * Onar (rapper), a Polish rapper
== People with the name == * Orhan Onar (1923–2009), Turkish judge * Sıddık Sami Onar (1898–1972), Turkish academic * Onar Onarheim (1910–1988), Norwegian politician
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