Joseph C. Krejci (December 19, 1910 – August 23, 1991) was a chemical engineering associate and manager of the Pyrolysis section at the Phillips Carbon Black Research facility in Borger, Texas.

He is known for his work in developing the oil furnace production process for carbon black.

[1][2] Krejci was born on 19 December 1910 in Galveston, Texas, the 2nd of 9 children.

He was a chemical engineering associate and manager of pyrolysis at the Phillips Carbon Black Research facility in Borger.

[3] His most cited patent was for a process for improving yield and quality in the manufacture of high-reinforcing carbon black.