| Hadas Shachnai | |
| Native Name: | הדס שכנאי |
| Native Name Lang: | he |
| Fields: | Combinatorial Optimization |
| Workplaces: | Technion – Israel Institute of Technology |
| Alma Mater: | Technion – Israel Institute of Technology |
| Doctoral Advisor: | Alon Itai |
| Known For: | Knapsack problems, interval scheduling, submodular set functions |
Hadas Shachnai (Hebrew: הדס שכנאי) is an Israeli computer scientist specializing in combinatorial optimization, including knapsack problems, interval scheduling, and the optimization of submodular set functions. She is a professor of computer science at the Technion – Israel Institute of Technology, and co-editor-in-chief of Discrete Mathematics & Theoretical Computer Science.
Shachnai completed her Ph.D. in 1991 at the Technion. Her doctoral dissertation, Keeping Linear Self Organizing Lists Under Counter Schemes, was supervised by Alon Itai.