See also the related form, Rashawn (English).
Ra is not regularly used as a baby name for boys. It is not listed in the top 1000 names.
Baby names that sound like Ra include Araa, Rais (Arabic), Ray (English), Re, Rey (Spanish and English), Río, Roi (French), Rowe (English), Roy (English, Dutch, French, German, and Scottish), Roye, Ry (English), Rye (Polish), Ryu (English), Ryuu (Japanese), Arrie, Arrye, Arryo, Aurey, Wray, and Wreh.
† English pronunciation for Ra: R as in "race (R.EY.S)" ; AA as in "odd (AA.D)"