Onna is of Japanese origin, meaning 'sound' or 'harmony'. It's composed of two kanji characters: 'on', which signifies sound or noise, and 'na', suggesting harmony or rhythm. Traditionally used as a unisex name in Japan, Onna is often associated with balance, creativity, and musicality.
"Over the course of nearly a century (1927-2023), the name Onna experienced significant fluctuations in popularity, with birth counts ranging from a low of 5 to a high of 33. The peak decades were the late '80s/early '90s and late 2000s/early 2010s, while there was a notable decline in recent years."