Dianne Kasnic Prinz (September 29, 1938 – October 12, 2002) was an American scientist, a physicist with the United States Naval Research Laboratory.

[6] Her dissertation was titled "Strength-half-width Products of Self-broadened Lines in the 6.3 Micron Band of Water Vapor".

[1] She was a fellow of the Washington Academy of Science, and vice president of the National Capital Section of the Optical Society of America.

[22] Dianne Kasnic married fellow scientist Gary Prinz; they later divorced.

Dianne K. Prinz died from cancer in 2002, aged 64 years, in Arlington, Virginia.