plural of ONA

plural of Ona

Initialism of Office of National Assessments, an Australian intelligence agency which provides all-source assessments on international political, strategic and economic developments to the Prime Minister and senior ministers in the National Security Committee of Cabinet.

Initialism of original net animation, a Japanese anime uploaded directly onto the Internet.

A language spoken by the Selk'nam people in Isla Grande de Tierra del Fuego in southernmost South America.

A surname from Spanish.