Robert Schirokauer Hartman (January 27, 1910 – September 20, 1973) was a German-American logician and philosopher. His primary field of study was scientific axiology (the science of value) and he is known as its original theorist. His axiology is the basis of the (also known as the "Hartman Value Profile (HVP)", which is used in psychology to measure the character of an individual.