The Third International Workshop on Quantum Computing Software will be held on Sunday, November 13, 2022 as part of the SC22 Conference in Dallas, Texas. The purpose of this workshop is to explore the innovative software needed to make quantum computing practical and accessible. It will focus heavily on the tools and software for quantum computing with particular emphasis on realized implementations. Topics of interest for this workshop include but are not limited to: Languages, Compilers/Profilers, Quantum Machine Learning Software, Numerical Simulators, Workflows, Debugging/Verification, and Optimal Quantum Control Software.The deadline to submit an Extended Abstract is August 26, 2022 with author notification on September 9, 2022.