Humboldt University (OKZ: 00)
- President / Vice-Presidents (OKZ: 0100)
- Academic Affairs (OKZ: 0210)
- Research Service Centre (OKZ: 0220)
- Technical Division (OKZ: 0250)
- Communication, Marketing, Event (OKZ: 0260)
- Planning and Management (OKZ: 0270)
- Quality Management Unit (OKZ: 0275)
- International Department (OKZ: 0280)
- Legal Department (OKZ: 0290)
- University Senate (OKZ: 0320)
- Academic Council (OKZ: 0340)
- Board of Trustees according to the Constitution of the Humboldt Universität zu Berlin (OKZ: 0350)
- Board of Trustees according to the Berlin Universities Act (OKZ: 0360)
- Central Election Board (OKZ: 0370)
- Employees' Representation (OKZ: 0380)
- Faculty of Law (OKZ: 10)
- Faculty of Life Sciences (OKZ: 21)
- Faculty of Mathematics and Natural Sciences (OKZ: 33)
- Faculty of Humanities (OKZ: 51)
- Faculty of Language, Literature and Humanities (OKZ: 52)
  Dean / Deputy Dean (OKZ: 5201)
  
  Faculty Management (OKZ: 5202)
  
  Administrative Bodies and Committees (OKZ: 5203)
  
  Department of German Literature (OKZ: 5210)
  
  Head of Department (OKZ: 521001)
  
  Early German Literature / Literature of the High Middle Ages (OKZ: 521011)
  
  Modern German Literature with a specialization in media and cultural studies (OKZ: 521012)
  
  Ältere deutsche Literatur / Deutsche Literatur des Spätmittelalters und der Frühen Neuzeit (OKZ: 521013)
  
  Modern German Literature (17th to 19th Century) (OKZ: 521014)
  
  Modern German Literature (Literature of the 19th to 21th Century) (OKZ: 521015)
  
  Modern German Literature (Literature of the 18th to the Present) (OKZ: 521017)
  
  Modern German Literature / Literature and Cultural Studies / Media (OKZ: 521018)
  
  Modern German Literature / Theories and Methods of Literary Gender Studies (OKZ: 521022)
  
  Modern German Literature, Children's Literature / Children's Media (OKZ: 521024)
  
  Didactics of German Literature (OKZ: 521025)
  
  Modern German Literature (18th to the Present) (OKZ: 521027)
  
  Methods in Literary Studies (OKZ: 521028)
  
  Modern German and Comparatistic Literature (OKZ: 521029)
  
  Collaborative Research Centres / Graduate Colleges / Honorary Academic Staff (OKZ: 521080)
  
  Graduate Colleges (OKZ: 521083)
  
  Honorary Chairs / Professors by Special Appointment / Part-Time Lecturers (OKZ: 521089)
  
  Centre for Grimm's Correspondence (OKZ: 521091)
  
  Heiner-Müller Archive (OKZ: 521092)
  
  Library Wolf (OKZ: 521093)
  
  Senior Professor and Professors retired (OKZ: 521097)
  
  Department of German Studies and Linguistics (OKZ: 5220)
  
  Department of Northern European Studies (OKZ: 5230)
  
  Department of Romance Literatures and Linguistics (OKZ: 5240)
  
  Department of English and American Studies (OKZ: 5250)
  
  Department of Slavic Studies (OKZ: 5260)
  
  Department of Classical Philology (OKZ: 5270)
- Faculty of Humanities and Social Sciences (OKZ: 55)
- Faculty of Theology (OKZ: 60)
- Faculty of Economics and Business Administration (OKZ: 70)
- Center for the Science of Materials Berlin (OKZ: 81)
- Centre for British Studies (OKZ: 82)
- Central Institute Professional School of Education (OKZ: 83)
- Hermann von Helmholtz-Centre for Cultural Techniques (OKZ: 84)
- Integrative Research Institutes (OKZ: 85)
- Excellency Cluster (OKZ: 86)
- Humboldt Graduate School (OKZ: 87)
- Interdisciplinary Research Centres (OKZ: 88)
- Other Interdisciplinary Units (OKZ: 89)
- Central Unit - Language Centre (OKZ: 91)
- Central Unit - University Library (OKZ: 92)
- Central Unit - Computer and Media Service (OKZ: 93)
- Central Unit - Sport and Recreation (OKZ: 94)
- additional Central Institutes (OKZ: 96)
- Institutes "within" the Humboldt-Universität zu Berlin and Non-affiliated Units (OKZ: 99)