Helen Matusevich Oujesky (August 14, 1930 – February 1, 2010) was an American professor of microbiology at the University of Texas, San Antonio.

After her college graduation in 1951 with a bachelor's degree from the Texas State College for Women (now Texas Woman's University) she started her career as a teacher at Trimble Tech High School in Fort Worth and worked as a chemistry and biology teacher until 1963.

She also pursued her higher education at Texas Christian University (TCU) and received a Master of Arts degree in 1965.

[2] Oujesky then worked from 1963 to 1965 as a graduate teaching assistant at Texas Christian University in Fort Worth.

[2] Apart from presenting her research findings at various forums on applied microbial ecology and effects of environmental pollutants on microbial metabolism related to water and land pollution of toxic wastes, she has also lectured on the subject of educational equity for girls and women across the country.