| ISH | Compressed file archive (ISH) 
| Others |
| ISH | I Say Hi
| Others |
| ISH | Ian Stewart Hall
| Others |
| ISH | Icteric Serum Hepatitis
| Others |
| ISH | In Situ Hybridization
| Others |
| ISH | In-Situ Hybridization
| Others |
| ISH | Information Super Highway
| Others |
| ISH | Information Superhighway
| Others |
| ISH | Informatique pour les Sciences Humaines
| Others |
| ISH | Inspire Shine Heal
| Others |
| ISH | Integrated Shun Hing
| Others |
| ISH | Intermediate System Hello
| Others |
| ISH | International S*** Hub
| Others |
| ISH | International Sanitation Heating
| Others |
| ISH | International Shipholding
| Others |
| ISH | International Society for Hypnosis
| Others |
| ISH | International Society of Hematology
| Others |
| ISH | International Society of Hypertension
| Others |
| ISH | International Society of Hypnosis
| Others |
| ISH | International Society on Hypertension
| Others |
| ISH | International Students House
| Others |
| ISH | International Switched Hubbing
| Others |
| ISH | Irish Sport Horse
| Others |
| ISH | Is Smoking Hot
| Others |
| ISH | Ischia, Italy
| Others |
| ISH | Isolate Systolic Hypertension
| Others |
| ISH | Isolated Systolic Hypertension
| Others |