Names
- Hilton Foundation1
- Hilton Hotels Corporation1
- Hilton, Conrad1
- Hirschfield, Ira1
- Hitler, Adolf1
- Hodgkinson, Virginia1
- Hoffman, Paul G.1
- Howard University1
- Hudson Institute1
- IBM Corporation1
- Independent Sector6
- Indiana University Center on Philanthropy1
- Institute for Educational Affairs1
- International Forestry Resources and Institutions (IFRI)1
- James Irvine Foundation1
- Jewish Agency1
- Jewish Community Federation1
- John Cotton Dana Foundation1
- Joseph, Geri1
- Joseph, James A.1