| Not for Profit | |
| Industry | Music / Arts / Entertainment |
| Founded | 1990 |
| Founder | Constantine Koukias with Werner Ihlenfeld |
| Headquarters | Hobart, Australia |
| Website | http://www.ihosopera.com |
IHOS Music Theatre and Opera is a Tasmanian opera company was established in Hobart in 1990, by composer and artistic director Constantine Koukias, and production director Werner Ihlenfeld to create original music-theatre and opera works.
In late 1999 IHOS formed the IHOS Music Theatre Laboratory, a sub-section of the main company that provides training for young opera / music-theatre performers, as well as commissioning and collaborative opportunities for Australian composers, directors and designers.