[ 2 syll. ma-nu, man-u ] The baby boy name Manu is also used as a girl name. Its pronunciation is M AA-Nuw- †. Manoo, Manou, Manue, and Manu (Manú) german are variants Of. Manu in, Addition manu is A german contraction of the Name (Manuel, English, German, portuguese And). spanishn addition, Manu is a German contraction of the name Manuel (English, German, Portuguese, and Spanish). Manu is infrequently used as a baby name for boys. It is listed outside of the top 1000 names.