Aušra Augustinavičiūtė (April 4, 1927 – August 19, 2005) was a Lithuanian psychologist and sociologist, and dean of the Vilnius Pedagogical University's department of family science, author of numerous scientific theories and discoveries, and the founder of socionics. According to the International Institute of Socionics, the Russian Academy of Natural Sciences recognized Socionics as a discovery and awarded Dr. Augustinavičiūtė a diploma and the Pyotr Kapitsa Medal in 1995.
Augustinavičiūtė was born not far from the city of Kaunas, in Lithuania. In 1956 she graduated from the economic faculty of Vilnius University as a financier. She worked at the Ministry of Finance of Lithuania and later as a teacher of political economics and sociology in different educational institutions in Vilnius.