- CAHS stands for Calgary Alpha House Society (Canada)
- CAHS stands for College of Agriculture and Human Sciences (Prairie View A&M University; Texas)
- CAHS stands for Carman Ainsworth High School (Michigan)
- CAHS stands for Conway Area Humane Society (New Hampshire)
- CAHS stands for Communications Arts High School (Antonio)
- CAHS stands for Canadian Aviation Historical Society
- CAHS stands for Columbus Alternative High School (Columbus, OH)
- CAHS stands for Center for Advanced Holocaust Studies (US Holocaust Memorial Museum, Washington, DC)
- CAHS stands for Clarendon Ancient History Series (books)
- CAHS stands for Cathedral High School
- CAHS stands for Crispus Attucks High School (Indiana)
- CAHS stands for Chesaning Area Historical Society (Michigan)
- CAHS stands for Civilian Award for Humanitarian Service (federal civil service)
- CAHS stands for Chateauroux American High School
CAHS