- Head honcho
- Head of department
- Header
- Headhunter
- Headquarter
- Herunterbrechen
- High Potential
- Higher ups
- Highpot
- Hire and Fire Mentalität
- HISS
- Hit
- Hoax
- Holacracy
- Holokratie (bzw. Holakratie)
- Horizontaler Marktplatz
- Hot key
- House of Quality
- House of Quality (HoQ)
- HQ
- HR
- HSE
- HUK
- Human Gateway
- Hurdle Rate
- Hurry Sickness
- Hybrides Lernen
- Hybrides Projektmanagement
- Hypergrowth
- Hypothetische vs. deduktive Entscheidungsbäume
- IAS
- IASB
- IB
- IBAN
- IBN
- IBR
- IBS
- IC
- IC
- ICANN
- Ich-Botschaft
- ICQ
- Ideation
- Ideavirus
- Ideenmanagement
- Ideologische Strategie
- Idoru
- IFRS
- IFS
- IH
- IHA
- IIB
- IKS
- IM
- IMHO
- IMK
- Immersive Anwendungen
- Impuls-Vortrag
- Impulsvortrag
- In Silico