Walter Moritz Boas FAA (10 February 1904 – 12 May 1982) was a German-Australian metallurgist.

[1][2] Boas was born in Berlin, Germany and was educated at the Technische Hochschule in Charlottenburg (now Technische Universität Berlin; Dip.

After several positions at German and Swiss institutions, Boas became a lecturer in metallurgy at University of Melbourne in 1938; then from 1940 to 1947, senior lecturer.

From 1947 to 1949, Boas was principal research officer, CSIR Division of Tribophysics; and from 1949 to 1969 chief of the division.

[1] The Walter Boas Medal of the Australian Institute of Physics is named in his honour.