Narrators: J-L
- Bob Jacobson, bachelor's in Business and Technology (1963), country's first Marine Extension Agent
- Kaety Jacobson, bachelor's in Natural Resources (2003), Marine Extension Agent, daughter of Bob Jacobson
- Cliff Jackson, railroad employee for 38 years
- William Jaeger, Professor of Applied Economics, analyzes aspects of the biofuel industry
- Daniel Jáquez, Artistic Associate at the Milagro Theatre
- Andrea Jara, Ph.D. candidate in Marine Biology, international student from Colombia
- Katharine Jefferts Schori, master's (1977) and Ph.D. (1983) in Oceanography, first woman to serve as Presiding Bishop and Primate of the Episcopal Church
- Willie Jenkins, railroad dining car waiter
- Nan Jensen, bachelor's in General Science (1957), daughter of OAC alum and OSC president Francois Gilfillan
- Teddy Johnnie, student in Business and Technology in (1957-1958)
- Chris Johns, bachelor's in Technical Journalism (1974), National Newspaper Photographer of the Year in 1979, Editor in Chief of National Geographic magazine
- Annie Johnson, head brewmaster at PicoBrew, Seattle, Washington
- Becky Johnson, Vice President for OSU-Cascades, former natural resources economist in the OSU College of Forestry, former Vice Provost for Academic Affairs and International Programs (1984-2008)
- Bertha Mae Johnson, early member of the African American community in Eugene, Oregon
- Duane Johnson, 4-H Extension agent, Youth Development Specialist, and State 4-H Leader (1959-2000)
- Ellen Johnson, bachelor's in General Science (1954), daughter of OAC alum and OSC president Francois Gilfillan
- Ginger Johnson, founder of marketing firm Women Enjoying Beer
- Norman Johnson, doctorate in Forest Management (1973), Professor of Forest Policy (1985-2017)
- Robin Johnson, assistant brewmaster at Deschutes Brewery, Bend, Oregon
- Sherri Johnson, USDA Forest Service - Pacific Northwest Research Station scientist
- Alberta Johnston, Home Management Specialist, Deputy Director of the OSU Extension Service (1963-1990)
- Julia Jones, Distinguished Professor of Geography specializing in hydrology, climate, biogeochemistry and landscape ecology
- Ruth Jones, bachelor's in Education (1959), heavily involved with OSC theater productions
- Sandy Jones, bachelor's in Elementary Education (1985) and master's in Education (1986); member of Delta Delta Delta sorority
- Christine Jump, Executive Director of the Barley's Angels beer education group
- Jessica Just, bachelor's (1998) and master's (2001) in Food Science and Technology, first female graduate of the OSU Fermentation Science program, Director of Technical Services for Brew Dr. Kombucha
- Zhian Kamvar, Ph.D student in Botany and Plant Pathology, co-founder and co-host of the Inspiration Dissemination radio program
- Ji-Hae Kang, undergraduate in General Science, cultural center coordinator for the Asian & Pacific Cultural Center
- Jessie Karipalli, retired Hewlett-Packard employee, wife of Samnirmal Karipalli
- Samnirmal Karipalli, retired Hewlett-Packard employee
- Connie Karr, certification director, Oregon Tilth
- Robin Kassman, bachelor's in Home Economics (1979), adviser to Kappa Delta sorority
- Dalia Kash, burlesque and drag producer and performer based in Portland, Oregon
- Jeff Kenney, Associate Director of Diversity and Cultural Engagement
- Jennifer Kent, brewer at McMenamins Thompson Brewery and Public House, Salem, Oregon
- Nancy Kerns, bachelor's in American Studies (1978), attorney for the city of Pendleton
- Harold Kerr, Extension Agent, Agronomist and Associate Director for Extension Services (1960-1967, 1969-1990)
- Mike Kerrick, USDA Forest Service - Willamette National Forest Supervisor
- Cali Kid, high school teacher and former burlesque producer based in Ashland, Oregon
- Ann Kiessling, Ph.D in Biochemistry and Biophysics (1971), founder of the Bedford Stem Cell Research Foundation
- Rita Kilstrom, bachelor's in Education (1959), daughter of OSC professor of Speech and Theater Craft, D. Palmer Young
- Tom Kirch, Director of Recreational Sports (1986-2016)
- Nathan Kirk, Professor of Integrative Biology, home brewer
- Lester Kirkendall, Professor of Family Studies and Sex Education (1949-1969)
- Glenn Klein, Extension Agent-at-Large and Leadership Development Specialist with the College of Education (1952-1990)
- Ilene Kleinsorge Dean of the College of Business (2003-2015)
- Kenge Kobayashi, artist and graphic designer, interned during World War II
- Miya (Kaneko) Kobayashi, construction employee, interned during World War II, wife of Kenge Kobayashi
- Cindy Konrad, director of the OSU Pride Center
- Kelvin Koong, Professor of Animal Sciences and administrator in the College of Agricultural Sciences, the College of Veterinary Medicine, and the OSU Extension and Experiments Stations (1987-2011)
- Paul Kopperman, Professor of History, director of Holocaust Remembrance Week
- Milo Koretsky, Professor of Chemical Engineering, MECOP advisor, author of Engineering and Chemical Thermodynamics
- Julie Koyama, OSU Judo Club coach and instructor of PAC classes in judo and self-defense
- Lacy Knickers, drag and burlesque artist and producer, model and playwright based in Portland, Oregon
- Kim Kraemer, member of Corvallis LGBTQ+ community, wife of OSU Gay People's Alliance co-founder Thomas Kraemer
- Ken Krane, Professor Emeritus of Physics (1974-2003), former department chair
- Jim Krueger, Professor Emeritus of Chemistry (1961-1998)
- Chris Kunda, OSU baseball player (2003-2006), second baseman for the 2006 National Champion OSU Beavers baseball team
- Denise Lach, Professor of Sociology, Director of the School of Public Policy
- Michael LaLonde, President and CEO of Deschutes Brewing, Bend, Oregon
- Andy Landforce, bachelor's in Agriculture (1942), ASOSC president, County Extension Agent and Wildlife Management Specialist (1946-1971), founding member of the Association of Northwest Steelheaders
- Growing Up, the OSC Years, Pearl Harbor and the 1942 Rose Bowl (May 22, 2013)
- Meeting Evelyn and Starting a Family (May 22, 2013)
- Military Training and the Racial Divide During World War II (June 28, 2013)
- The End of the War and Returning Stateside (June 28, 2013)
- Working for OSU Extension (September 13, 2013)
- Fishing, Family and Philosophy (October 6, 2015)
- Laurie LaPointe, undergraduate in Zoology, member of the Lakota Sioux nation
- Art Larrance, owner of the Lodge at Cascade Brewery in Portland, co-founder of Portland Brewing, and central figure in the history of Oregon brewing
- Honeydew La Roux, burlesque performer, singer and producer based in Portland, Oregon
- Lee Larsen, bachelor's in Finance (2008), co-founder of 2 Towns Ciderhouse in Corvallis
- Tamara Lash, bachelor's in Human Development and Family Sciences (2017), master's student in College Student Services Administration, staffmember at the Black Cultural Center, the Native American Longhouse, and the Hattie Redmond Women and Gender Center
- Jack Lattin, Professor of Entomology (1955-1996) specializing in heteroptera, or "true bugs", with an emphasis on environmental stability in Pacific Northwest forests
- Bev Law, Ph.D. in Forest Science (1993), Professor of Global Change Biology & Terrestrial Systems Science
- Mary Law, bachelor's in Elementary Education (1982), master's in Elementary Education (1982), OSU gymnast (1978-1982), national champion in the floor exercise (1982)
- Brent Lawrence, bachelor's in Business Administration (1980), first chair of the M.U. multicultural affairs program, LGBTQ+ activist, project manager and independent consultant working in software development, team building, and psychometrics
- Tony Lawrence, co-founder and brewmaster at Boneyard Brewery, Bend, Oregon
- Steve Lawson, Administrative Officer at the Linus Pauling Institute (1977-2016)
- Thuy Le, Vietnamese Family Engagement Specialist with the Asian Family Center
- Phyllis Lee, Ph.D. in Counseling (1983), first Director of OSU's Office of Multicultural Affairs (1990-2003)
- Sonia Marie Leikam, co-owner of Leikam Brewing and employee of the Oregon Jewish Community Foundation
- E.B. Lemon, bachelor's in Commerce (1911), Professor of Commerce and first Dean of Administration at Oregon State (1911-1959)
- Lora Lemon, bachelor's in Literary Commerce (1908); wife of E.B. Lemon and longtime Corvallis resident
- Baby Le'Strange, burlesque performer, drag performer, performance artist and producer based in Portland, Oregon
- Al Levno, H.J. Andrews Experimental Forest field staffer
- Jon Lewis, Distinguished Professor of Film Studies
- Judy Li, retired faculty member in Fisheries and Wildlife (1991-2006), and OSU Press author
- Mitzi (Asai) Loftus, author and retired teacher, interned during World War II
- Selma Loney, bachelor's in Business and Industry (1944), member of the Corvallis Jewish community
- Carmen López, undergraduate double-majoring in Human Development & Family Sciences and Spanish, office assistant at the Native American Longhouse Eena Haws
- Nick Lorenz, co-founder of Nectar Creek Meadery in Philomath
- Walter Loveland, Professor of Nuclear Chemistry, leading expert on super-heavy elements
- Jane Lubchenco, Distinguished Professor of Zoology, first female head of the National Oceanic and Atmospheric Administration
- Bill Lunch, Professor Emeritus of Political Science (1984-2011), political commentator for Oregon Public Broadcasting
- Bob Lundeen, bachelor's in Chemical Engineering (1942), former Chairman of Dow Chemical and CEO of Tektronix