| Department | Name | Phone | Campus | |
|---|---|---|---|---|
| LASER SAFETY COMMITTEE | BRANDI SIMMONS | 405-744-7890 | lasersafety@okstate.edu | OSU Stillwater |
| LASSO CENTER (021 CLASSROOM BLDG) | MIKE SEAMAN | 405-744-3309 | lasso@okstate.edu | OSU Stillwater |
| LATIMER COUNTY EXT CENTER | HANNAH REA | 918-465-3349 | OSU Stillwater | |
| LEADERSHIP AND CAMPUS LIFE | JOHN MARK DAY | 405-744-5488 | johnmark.day@okstate.edu | OSU Stillwater |
| LEFLORE COUNTY EXT CENTER | DANETTE RUSSELL | 918-647-8231 | OSU Stillwater | |
| LEGAL COUNSEL, BOARD OF REGENTS | STEVE STEPHENS | 405-744-6494 | OSU Stillwater | |
| Liberal Arts | Jason Stone | 405-945-3296 | OSU Oklahoma City | |
| LIBRA (LAB FOR INNOVATIVE BIODIVERSITY ) | MICHAEL PALMER | 405-744-7717 | mike.palmer@okstate.edu | OSU Stillwater |
| LIBRARY | SHEILA JOHNSON | 405-744-6321 | lib-pub@okstate.edu | OSU Stillwater |
| LIBRARY | JENNY DUNCAN | 918-293-5080 | OSU-Institute of Technology |