*JAMES H. OARD, Associate Professor of Agronomy. Ph.D., Iowa State University.
*ROBERT F. O'CONNELL, Boyd Professor; Professor of Physics and Astronomy. Ph.D., University of Notre Dame; D.Sc., National University of Ireland.
*JANNA B. OETTING, Associate Professor of Communication Sciences and Disorders. Ph.D., University of Kansas.
KURTAY OGUNC, Adjunct Instructor in Finance; Investment Manager, Office of Finance and Administrative Services. M.S., LSU.
GEORGE W. OHLENDORF, Associate Professor of Rural Sociology; Adjunct Associate Professor of Epidemiology and Community Health. Ph.D., Texas A&M University.
**CAGLA OKTEN, Assistant Professor of Economics. Ph.D., Northwestern University.
*GESTUR OLAFSSON, Professor of Mathematics. Ph.D., University of Göttingen, Germany.
**BRUCE M. OLCOTT, Associate Professor of Veterinary Medicine (Department of Veterinary Clinical Sciences); Veterinary Clinician. D.V.M., University of Georgia; M.S., Washington State University; M.B.A., LSU.
**ELISABETH OLIVER, Assistant Professor of English. Ph.D., Harvard University.
*JULIAN L. OLIVER, III, Associate Professor of Veterinary Pathology. D.V.M., University of Georgia; Ph.D., Auburn University.
**MELINDA E. OLIVER, Assistant Professor (Research) of Education (Department of Curriculum and Instruction); Director, Center for Scientific and Mathematical Literacy. Ph.D., LSU.
ERIK M. OLNESS, Assistant Professor of Areospace Studies. M.S., Columbia University.
*JAMES OLNEY, LSU Foundation Henry J. Voorhies Professor of English; Professor of French (Department of French and Italian); Coeditor, Southern Review. Ph.D., Columbia University.
*JANEEN E. OLSEN, William A. Copeland Professor of Business Administration; Associate Professor of Marketing. Ph.D., University of Utah.
**CAROL E. O’NEIL, Associate Professor of Human Ecology. Ph.D., Tulane University.
**PATRICIA O'NEILL, Associate Professor of Music. M.M., LSU.
*BOGDAN S. OPOROWSKI, Associate Professor of Mathematics. Ph.D., Ohio State University.
*KATHY L. O'REILLY, Associate Professor of Veterinary Immunology (Department of Veterinary Microbiology and Parasitology). Ph.D., University of Wisconsin, Madison.
SETH ORGEL, Professional-in-Residence (School of Music). B.M., Northwestern University.
**MICHAEL E. ORLOWSKI, Associate Professor of Biological Sciences. Ph.D., Indiana University.
**EVELYN ORMAN, Assistant Professor of Music. Ed.D., University of Alabama.
PEGGY S. OTT, Associate Professor of Human Ecology. Ph.D., Florida State University.
*JAMES A. OTTEA, Associate Professor of Entomology. Ph.D., University of California, Davis.
†KEITH OUCHLEY, Post Doctoral Researcher, School of Forestry, Wildlife, and Fisheries, LSU Agricultural Center (affiliated with the School of Forestry, Wildlife, and Fisheries). Ph.D., LSU.
†CHARLES OVERSTREET, Associate Specialist, Louisiana Cooperative Extension Service (affiliated with Department of Plant Pathology and Crop Physiology). Ph.D., LSU.
KAREN BEHM OVERSTREET, Adjunct Professor of Human Ecology; Specialist, Louisiana Cooperative Extension Service. Ph.D., Ohio State University.
*EDWARD B. OVERTON, Professor (Research) of Environmental Studies; Adjunct Professor of Chemistry. Ph.D., University of Alabama.
*THOMAS C. OWEN, Professor of History. Ph.D., Harvard University.
*JAMES G. OXLEY, William E. "Bud" Davis Alumni Professor of Mathematics. Ph.D., University of Oxford (England).