Katchalski may refer to:
- Aharon Katzir-Katchalsky, or Aharon Katzir (1914–1972), Israeli pioneer in the study of the electrochemistry of biopolymers
- Katchalsky (crater), a crater that lies on the far side of the Moon, and is named after scientist Aharon Katzir-Katchalsky
- Katchalski-Katzir algorithm, algorithm for docking of rigid molecules, developed by Ephraim Katchalski/Katzir
This disambiguation page lists articles associated with the title Katchalski.
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