- O'Brien, Claire, (Of Urban Institute), author8
- O'Brien, Ellen, author1
- Obermeyer, Ziad, author1
- Ollendorf, Daniel A., author1
- Olson, Genny, author1
- Ong, Jonathan D., author1
- Ong, Paul M., author1
- Oum, Stephanie, author1
- Ozanich, Gary, author1
- O’Brien, Claire, author1