Humboldt University (OKZ: 00)
- President / Vice-Presidents (OKZ: 0100)
- University Administration (OKZ: 02)
- Administrative Bodies and Committees (OKZ: 03)
- 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)
- Faculty of Humanities and Social Sciences (OKZ: 55)
  Dean / Deputy Dean (OKZ: 5501)
  
  Faculty Management (OKZ: 5502)
  
  Administrative Bodies and Committees (OKZ: 5503)
  
  Department of Archaeology (OKZ: 5511)
  
  Department of Asian and African Studies (OKZ: 5512)
  
  Department of Education Studies (OKZ: 5513)
  
  Department of Cultural History and Theory (OKZ: 5514)
  
  Department of Art and Visual History (OKZ: 5515)
  
  Department of Musicology and Media Studies (OKZ: 5516)
  
  Department of Rehabilitation Sciences (OKZ: 5517)
  
  Department of Social Sciences (OKZ: 5518)
  
  Head of Department (OKZ: 551801)
  
  Section / Chairs (OKZ: 551810)
  
  German Politics (OKZ: 551811)
  
  International Politics (OKZ: 551812)
  
  Comparative Political Sciences and Political Systems of Eastern Europe (OKZ: 551813)
  
  Political Sociology and Social Policy (OKZ: 551814)
  
  Political Theory (OKZ: 551816)
  
  Comparative Political Behaviour (OKZ: 551817)
  
  Comparative Analysis of Political Systems (OKZ: 551818)
  
  Social Theory and Cultural Sociology (OKZ: 551821)
  
  Empirical Social Science Research (OKZ: 551823)
  
  Sociology of Labour and Gender Studies (OKZ: 551824)
  
  Microsociology (OKZ: 551825)
  
  Urban and Regional Sociology (OKZ: 551826)
  
  Macro Sociology (OKZ: 551827)
  
  Research Information and Quality Assurance in the Sociological Research (OKZ: 551832)
  
  Sociology of Education and Labour Market Research (OKZ: 551833)
  
  Social Research Methods, in particular Survey Methods and Survey Statistics (OKZ: 551834)
  
  Science Sociology and Evaluation Research (OKZ: 551835)
  
  Integration Research and Social Policy (OKZ: 551836)
  
  Sociology and Migrations Research (OKZ: 551837)
  
  Sociology of Social Policy (OKZ: 551838)
  
  Sociology of work, economy and technological change (OKZ: 551839)
  
  Georg Simmel Professorship in Comparative Studies on Diversity and Social Conflicts (OKZ: 551841)
  
  Migration and Gender (OKZ: 551843)
  
  Vergleichende Demokratie- und Autoritarismusforschung (OKZ: 551847)
  
  Migration and Transnationalism (OKZ: 551822)
  
  Kultur-, Sozial- und Bildungswissenschaftliche Fakultät, Institut für Sozialwissenschaften, Sonderforschungsbereiche / Graduiertenkollegs / Honorarpersonal (OKZ: 551880)
  
  Department of Sports Sciences (OKZ: 5519)
  
  additional Scientific Units (OKZ: 5580)
- 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)