Siri Carpenter (born 1971) is an American freelance science journalist and editor living in Madison, Wisconsin.

The author of multiple articles in Scientific American, Science, APA Monitor, and other publications, she is a co-founder and the editor-in-chief of The Open Notebook.

[7][8] Since 2014 Carpenter has also worked as a freelance editor for several publications, including bioGraphic,[9] and Science News for Students.

Gary Price of Library Journal said The Open Notebook "provides unique tools and resources to help science journalists at all experience levels hone their craft".

[16] In 2020, TON published The Craft of Science Writing: Selections from The Open Notebook, edited by Carpenter.