Thyrsa Anne Frazier Svager (June 16, 1930 – July 23, 1999) was an American academic who was one of the first African-American woman to gain a PhD in mathematics.

[4][5] After her death, the Thyrsa Frazier Svager Fund was established to provide scholarships for African-American women majoring in mathematics.

[3] Her father, G. Thuton Frazier, headed the Logistics Department at the Wright-Patterson Air Force Base in Dayton, Ohio.

[12] Frazier Svager worked for a year at Wright-Patterson Air Force Base in Dayton, before teaching at Texas Southern University in Houston.

[19] Both university professors with a strong commitment to furthering education opportunities, the Svagers lived on one income, investing the other to build a scholarship fund.

[5] After her death, her husband established the Thyrsa Frazier Svager Fund at the Dayton Foundation, for African-American women who major in mathematics at one of six universities, with a legacy contribution planned.

[4] Frazier Svager was honored with an Honorary Doctor of Humane Letters by CSU on her retirement, and she was inducted into the Hall of Fame in Greene County, Ohio.