See also the related category germanic (german).
Aatu is a seldom used baby name for boys. It is listed outside of the top 1000 names.
Baby names that sound like Aatu include Atu (African), Otoo, Ottu, Otu, Otue, Aadee, Aadey, Aadhey, Aadhi, Aadhie, Aadhy, Aadi (Indian), Aadie, Aady, Aadye, Aatto (Finnish), Adad (Akkadian, Arabic, and English), Addai, Addei (Hebrew), and Addi (English and Hebrew).
† approx English pronunciation for Aatu: AA as in "odd (AA.D)" ; T as in "tee (T.IY)" ; UW as in "two (T.UW)"