| Edgardo Carlo L. Vistan II | Chancellor | Office of the Chancellor | (632) 8981-8500 loc. 2558, 2556 | — | chancellor.updiliman@up.edu.ph |
| Maria Vanessa Lusung-Oyzon | Vice Chancellor for Academic Affairs | OVCAA | (632) 8981-8500 loc. 2583 | https://ovcaa.upd.edu.ph/ | ovcaa.upd@up.edu.ph |
| Adeline A. Pacia | Vice Chancellor for Administration | OVCA | (632) 8981-8500 loc. 2581–2579 | https://ovca.upd.edu.ph/ | ovca.updiliman@up.edu.ph |
| Carl Michael F. Odulio | Vice Chancellor for Research & Development | OVCRD | (632) 8981-8500 loc. 4046, 4049 | https://ovcrd.upd.edu.ph/ | ovcrd@up.edu.ph |
| Jose Carlo G. de Pano | Vice Chancellor for Student Affairs | OVCSA | (632) 8981-8500 loc. 2587, 2588 | http://ovcsa.upd.edu.ph/ | ovcsa.upd@up.edu.ph |
| Jerwin F. Agpaoa | Vice Chancellor for Community Affairs | OVCCA | (632) 8981-8500 loc. 8600, 8601 | https://ovcca.upd.edu.ph/ | ovcca.updiliman@up.edu.ph |
| Carmeli Marie C. Chaves | Vice Chancellor for Planning & Development | OVCPD | (632) 8981-8500 loc. 4040 | — | ovcpd.upd@up.edu.ph |
| Anril P. Tiatco | Director | UP Diliman Information Office | (632) 8981-8500 loc. 3984, 3985 | — | updio@up.edu.ph |
| Manuel C. Ramos Jr. | Director | University Computer Center | (632) 8981-8500 loc. 2050, 2020 | https://ucc.upd.edu.ph/ | computer.center@upd.edu.ph |
| Marius R. Bartolabac | Chief Legal Officer | Diliman Legal Office | (632) 8981-8500 loc. 2518, 2563 | — | dilimanlegal.upd@up.edu.ph |
| Aura C. Matias | Director | Quality Assurance Office | (632) 8981-8500 loc. 2092 | https://qa.upd.edu.ph/ | qa.upd@up.edu.ph |
| Regine Cecilia P. Estillore | Data Protection Officer | Data Protection Office | (632) 8255-3561 | https://privacy.upd.edu.ph/ | dpo.updiliman@up.edu.ph |
| Will P. Ortiz | Officer-in-Charge | Sentro ng Wikang Filipino | (632) 8981-8500 loc. 4583–4585 | https://sentrofilipino.upd.edu.ph/ | swf.updiliman@up.edu.ph |
| Monica Fides Amada W. Santos | Director | Office for Initiatives in Culture and the Arts | (632) 8981-8500 loc. 2659, 2660 | https://oica.upd.edu.ph/ | oica.upd@up.edu.ph |
| Roberto Eliseo G. Paulino | Curator | Bulwagan ng Dangal | (632) 8981-8500 loc. 2874 | — | bulwaganngdangal.upd@up.edu.ph |
| Josefina F. Estrella | Director | UP Theater Complex | (632) 8981-8500 loc. 4290 / 8920-5806 | https://theatercomplex.upd.edu.ph/ | uptheater.upd@up.edu.ph |
| Anna Myrishia Villanueva | Coordinator | Diliman Gender Office | (632) 8981-8500 loc. 2467 | https://dgo.upd.edu.ph/ | updgo@up.edu.ph |
| Teresa Paula S. De Luna | Coordinator | Office of Anti-Sexual Harassment | (632) 8981-8500 loc. 2465, 2466 | http://oash.upd.edu.ph/ | oash.upd@up.edu.ph |
| Edison D. Cruz | Director | Technology Management Center | (632) 8981-8500 loc. 3882 | http://www.tmc.upd.edu.ph/ | edcruz@up.edu.ph |
| Ramon G. Guillermo | Director | Center for International Studies | (632) 8981-8500 loc. 2460, 2462 | — | cis.upd@up.edu.ph |
| Allan Peter D. Rudio | Commandant / Dept. Head | Dept. of Military Science & Tactics | (632) 8981-8500 loc. 4201 | https://rotc.upd.edu.ph/ | dmst.updiliman@up.edu.ph |
| Jowima Ang-Reyes | Director | Ugnayan ng Pahinungod | (632) 8546-3607 | — | pahinungod.upd@up.edu.ph |
| Lourdes T. Nepomuceno | Philippine Director | Confucius Institute | (632) 8981-8500 loc. 8605, 8606 | https://ci.upd.edu.ph/ | ciup2015@126.com |
| Dolreich “Bo” Perasol | Director | UP Office for Athletics & Sports Dev. | — | — | oasd@up.edu.ph |
| Ivy D.C. Suan | Director | Office for the Advancement of Teaching | (632) 8981-8500 loc. 2562 | https://oat.upd.edu.ph/ | ovcaa.oatdiliman@up.edu.ph |
| Anna Sibayan-Sarmiento | Director | General Education Center | (632) 8981-8500 loc. 2060 | https://gec.upd.edu.ph/ | gec_ovcaa.upd@up.edu.ph |
| Rowena Quinto-Bailon | University Registrar | Office of the University Registrar | (632) 8981-8500 loc. 4551 | https://our.upd.edu.ph/ | our.diliman@up.edu.ph |
| Elvira B. Lapuz | University Librarian | University Library | (632) 8981-8500 loc. 2856, 2851 | https://mainlib.upd.edu.ph | library.updiliman@up.edu.ph |
| Miguel Francisco M. Remolona | Director | Interactive Learning Center Diliman | (632) 8981-8500 loc. 2058 | https://ilc.upd.edu.ph | ilcdiliman@up.edu.ph |
| Arthur A. Gonzales III | Director | Human Resource Development Office | (632) 8981-8500 loc. 2564, 2569 | https://hrdo.upd.edu.ph/ | hrdo.updiliman@up.edu.ph |
| Cynthia P. Saloma | Dean | College of Science | (632) 8981-8500 loc. 3801, 3802 | — | csadmin@science.upd.edu.ph |
| Patrick C. De Leon | Director | UPD Extension Programs Pampanga & Olongapo | (045) 499-9970 loc. 200 | — | epp.upd@up.edu.ph |
