| Safe Space and LGBTQ Project |
| Safety Office (LSU AgCenter) |
| Safety, Radiation |
| SAIC Contractor |
| Scabbard & Blade |
| Scholarships (Student Aid) |
| School of Banking at LSU, Graduate |
| Scientific, Technological, Engineering & Mathematical Literacy, Ctr. for |
| Scope-on-a-Rope (SOAR) |
| Scotch Guard |
| Sea Grant Development, Office of |
| Sea Grant Legal Program |
| Sea Grant Publications |
| Security Research & Training, Stephenson National Center for |
| Serial Services (Libraries) |
| Serials (Vet. Med. Library) |
| Services & Resources |
| Sheep Unit |
| Shelton Gift Shop (Alumni Gift Shop) |
| Sigma Alpha |
| Sigma Alpha Epsilon |
| Sigma Alpha Mu (information only) |
| Sigma Chi |
| Sigma Gamma Rho (information only) |
| Sigma Phi Epsilon |
| Small Animal Clinic |
| SMART Lab (See Dept. of Finance) |
| Social Work, School of |
| Sociology, Dept. of |
| Soil & Water Research Unit |
| Southern Regional Climate Center |
| Southern Review, The |
| Space Sciences |
| Spanish Education Project |
| Spanish, Curriculum in |
| Special Collections Digital Services |
| Special Collections Facilities |
| Special Collections Information |
| Special Collections Public Services |
| Special Collections Reference (Libraries) |
| Special Collections (Libraries) |
| Special Programs, School of the Coast & Environment |
| Speech, Language, & Hearing Clinic |
| Sponsored Programs (AgCenter) |
| Sponsored Programs, Office of |
| Spring Invitational Program |
| Staff Senate Office |
| State Climatology, Office of |
| State Law Institute |
| State Rally |
| STEM Program, Louisiana |
| Stephenson Disaster Management Institute |
| Stephenson Entrepreneurship Institute |
| Stephenson National Center for Security Research & Training |
| Strategic Communications, Division of |
| Strategic Communications, Vice President of |
| Strategic Initiatives, Office of |
| Student Advocacy & Accountability, Office of |
| Student Affairs, Division of |
| Student Aid |
| Student Bar Association |
| Student Government |
| Student Government (SG) |
| Student Government/Student Senate |
| Student Health Advocates |
| Student Health Center |
| Student Long-Distance Calling (TigerCall) |
| Student Media, Office of |
| Student Records (Law Center) |
| Student Support Services |
| Student Trip Travel |
| Student Union |
| Student & Academic Affairs (Vet. School) |
| Students with Disabilities |
| Study Abroad |
| St. Gabriel Lab Office |
| St. Gabriel Livestock Unit |
| Summer Programs Abroad |
| Summer Scholars Program |
| Supervisors, Board of |
| Supplemental Instruction |
| Sustainability (Campus) |
| Swahili, Curriculum in |
| Swine Palace |
| Swine Unit |
| Symphony Orchestra (LSU) |
| Systems Integration Lab |
| Systems Science, Interdepartmental Program |
| S.T.R.I.P.E.S. |