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)
  Dean / Deputy Dean (OKZ: 3301)
  
  Faculty Management (OKZ: 3302)
  
  Department of Chemistry (OKZ: 3311)
  
  Department of Geography (OKZ: 3312)
  
  Department of Computer Science (OKZ: 3313)
  
  Department of Mathematics (OKZ: 3314)
  
  Department of Physics (OKZ: 3315)
  
  Head of Department (OKZ: 331501)
  
  Theoretical Physics / Statistical Physics and Nonlinear Dynamics (OKZ: 331511)
  
  Theoretical particle physics: gauge fields and string theory (OKZ: 331512)
  
  Theoretical Physics / Solid State Theory (OKZ: 331513)
  
  Theoretical Physics / Theory of Complex Systems and Neurophysics (OKZ: 331514)
  
  Theoretical Transport Physics (OKZ: 331515)
  
  Theoretical Particle and Lattice Field Theory (OKZ: 331516)
  
  Mathematical Physics: Mathematical Aspects of Quantum Field and String Theory (OKZ: 331517)
  
  Theoretical Physics / Quantum Field Theory beyond the Standard Model and String Theory (OKZ: 331518)
  
  Computational Materials Science (OKZ: 331519)
  
  Theoretical Physics / Phenomenology of Elementary Particles beyond the Standard Model (OKZ: 331521)
  
  Theoretical Physics / Mathematical Physics of Space, Time and Matter (OKZ: 331522)
  
  Theoretical Physics / Mathematical Physics (OKZ: 331523)
  
  Theoretical Physics / Theoretical Optics (OKZ: 331524)
  
  Theoretical Physics / Theoretical Optics (OKZ: 331525)
  
  Theoretical Physics / Development of Theories beyond the Standard Model (OKZ: 331526)
  
  Experimental Physics / Elementary Particles Physics I (OKZ: 331531)
  
  Experimental Physics / Elementary Particles Physics II (OKZ: 331532)
  
  Cosmology and String Theory (OKZ: 331533)
  
  Experimental Physics / Structural Research and Electron Microscopy (OKZ: 331534)
  
  Experimental Physics / Elementary Stimulation and Transport in Solids (OKZ: 331535)
  
  Experimental ultra short time physics (OKZ: 331536)
  
  Experimental Physics / Physics of Macromolecules (OKZ: 331537)
  
  Experimentelle Physik, Hybride Bauelemente (OKZ: 331538)
  
  Experimental Physics / Photobiophysics (OKZ: 331539)
  
  Experimental Physics / Experimental Astroparticle Physics - DESY(S) (OKZ: 331541)
  
  Experimental Physics / Physics of Interfaces and Thin Films (OKZ: 331542)
  
  New Materials (OKZ: 331543)
  
  Basics of Optics and Photonics (OKZ: 331544)
  
  Integrated quantum photonics (OKZ: 331545)
  
  Didactics of Physics (OKZ: 331546)
  
  Experimental Physics / Nanooptics (OKZ: 331547)
  
  Experimental Physics / Optical Metrology (OKZ: 331548)
  
  Structure, Dynamics and electronic Properties of Molecular Systems (OKZ: 331549)
  
  Physics of low-dimensional systems (OKZ: 33154a)
  
  Experimental Physics / Accelerator Physics - HZB (OKZ: 331551)
  
  Experimental Physics / Nonlinear Processes in Semiconductor Laser and Optoelectronics (OKZ: 331553)
  
  Accelerator Physics - Generation and Characterization of Electron Beams (OKZ: 331554)
  
  Experimental Physics / Material Sciences (OKZ: 331555)
  
  Modern Optics (OKZ: 331556)
  
  Crystal Growth (OKZ: 331557)
  
  Nonlinear Dynamics (OKZ: 331558)
  
  Coherent Opics by Means of X-Rays and Electron Beams (OKZ: 331561)
  
  Optical Systems (OKZ: 331564)
  
  X-ray Microscopy (OKZ: 331567)
  
  Nanospektroskopie für Design und Optimierung energierelevanter Materialien (OKZ: 331568)
  
  Nonlinear Ultrafast Optics (OKZ: 331569)
  
  Experimental Particle and Astroparticle Physics (OKZ: 331571)
  
  Experimental High Energy Physics (OKZ: 331572)
  
  Electronic Properties of Materials/X-ray Analysis (OKZ: 331573)
  
  Collaborative Research Centres / Graduate Colleges / Honorary Academic Staff (OKZ: 331580)
  
  Graduate Colleges (OKZ: 331583)
  
  Senior Professor and Professors retired (OKZ: 331597)
- Faculty of Humanities (OKZ: 51)
- Faculty of Language, Literature and Humanities (OKZ: 52)
- 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)