| Humanities & Social Sciences | Ancient Greek and Roman Studies | Rachel Lesser (Ben Luley, Interim Chair, Fall 2026–Spring 2027) | 0394 | Amanda Martin | amartin@gettysburg.edu |
| Humanities & Social Sciences | Anthropology | Donna Perry | 2985 | Andrea Switzer | aswitzer@gettysburg.edu |
| Humanities & Social Sciences | Data Science | Bill O’Hara | 2450 | | |
| Humanities & Social Sciences | History | Dina Lowy | 0401 | | |
| Humanities & Social Sciences | Interdisciplinary Studies | Vern Cisney | 0390 | | |
| Humanities & Social Sciences | International and Global Studies | Abdulkareem Said Ramadan | 0390 | | |
| Humanities & Social Sciences | Jewish Studies | Stephen Stern | 0408 | | |
| Humanities & Social Sciences | Middle Eastern and Islamic Studies | Abdulkareem Said Ramadan | 0390 | | |
| Humanities & Social Sciences | Philosophy and Religious Studies | Gary Mullen | 0404 | | |
| Humanities & Social Sciences | Public Health Policy (major) | Amy Dailey and Anne Douds | 0404 | | |
| Humanities & Social Sciences | Public Policy | Anne Douds | 0404 | | |
| Humanities & Social Sciences | Women, Gender, and Sexuality Studies | Alecea Standlee (Nathalie Lebon, Interim Chair, Fall 2026) | 2450 | | |
| Arts | Art & Art History | Yan Sun | 2452 | Triada Chavis | tchavis@gettysburg.edu |
| Arts | Schmucker Art Gallery | Sarah Gillespie | 2452 | Liz-Hedin Schmidt | lhedinsc@gettysburg.edu |
| Arts | Sunderman Conservatory | James Day | 0403 | Leslie Casteel | lcasteel@gettysburg.edu |
| Arts | Theatre Arts | Eric Berninghausen | 0428 | | |
| Computational and Social Sciences | Brogan Center for Quantitative Learning | Kimberly Spayd | 0402 | Valerie Andrews | vandrews@gettysburg.edu |
| Computational and Social Sciences | Computer Science | Sunghee Kim | 0402 | Liz Hedin-Schmidt | lhedinsc@gettysburg.edu |
| Computational and Social Sciences | Education/OTEC | Divonna Stebick | 0396 | Jordana Hudson | jhudson@gettysburg.edu |
| Computational and Social Sciences | Management | Joseph Radzevick | 0395 | | |
| Computational and Social Sciences | Mathematics | Keir Lockridge | 0402 | | glatadmin@gettysburg.edu |
| Computational and Social Sciences | Political Science | Caroline Hartzell | 0406 | | |
| Computational and Social Sciences | Sociology | Cassie Hays | 0412 | | |
| Civil War Institute/EI | Civil War Institute | Jill Titus (Interim Chair) | 0413 | Ann Wofford | awofford@gettysburg.edu |
| Civil War Institute/EI | CWES | Ian Isherwood | 0413 | | |
| Civil War Institute/EI | Eisenhower Institute | Tracie Potts | 2988 | | |
| Civil War Institute/EI | Public History | Ian Isherwood and Jill Titus | 0413 | | |
| Languages | French and Italian | John (Jack) Murphy | 0411 | May Landauer | mlandaue@gettysburg.edu |
| Languages | German Studies | Kerry Wallach | 0398 | Robin Oliver | roliver@gettysburg.edu |
| Languages | Latin American, Caribbean, Latino Studies | Veronica Calvillo | 0411 | | |
| Languages | Spanish | Chris Oechler | 0411 | | |
| Humanities | Cinema & Media Studies | Jim Udden | 0441 | Carol Coon | ccoon@gettysburg.edu |
| Humanities | Communication Studies (major) | Jack Ryan and Jim Udden | 0441 | Lin Myers | lmyers@gettysburg.edu |
| Humanities | East Asian Studies | Eleanor Hogan | 0441 | | |
| Humanities | English | Joanne Myers | 0397 | | |
| Humanities | Writing Center | Chris D’Addario and Melissa Forbes | 0397 | | |
| Lab Sciences | Biochemistry/Molecular Biology | Kate Buettner | 0393 | Emily Benson | ebenson@gettysburg.edu |
| Lab Sciences | Biology | Steven James | 0392 | Lea Czar | lczar@gettysburg.edu |
| Lab Sciences | Chemistry & Biochemistry | Lucas Thompson | 0393 | Christine Hopkinson | chopkins@gettysburg.edu |
| Lab Sciences | Environmental Studies | Andy Wilson | 2455 | Olga Smith | osmith@gettysburg.edu |
| Lab Sciences | Health Sciences | Amy Dailey | 0432 | Kristi Waybright | kwaybrig@gettysburg.edu |
| Lab Sciences | Johnson Center for Creative Teaching and Learning | Junjie Luo | 0441 | | |
| Lab Sciences | Physics | Kurt Andresen | 0405 | | |
| Lab Sciences | Psychology | Nathalie Goubet | 0407 | | |
| 339 Carlisle | Africana Studies | Jen Bloomquist | 2451 | Suzanne Gockowski | sgockows@gettysburg.edu |
| 339 Carlisle | Economics | Zhining Hu | 0391 | | sholz@gettysburg.edu |
| 339 Carlisle | Finance (major) | Brendan Cushing-Daniels and Patturaja Selvaraj | 0391 | Sue Holz | |
| 339 Carlisle | Peace & Justice Studies | Hakim Williams (Nathifa Greene, Interim Chair, Fall 2026–Spring 2027) | 2450 | | |
