Places – I
- ICA Terrace Theatre, London
- ICA Theatre, London
- Ibberton Hut
- Ilawarra Theatre Co., NSW, Australia.
- Ilford Hippodrome
- Ilfracombe Pavilion Theatre
- Ilfracombe School Studio
- Ilminster Dillington Coach House
- Imperial College Union Concert Hall, London
- Imperial Theatre, Brighton
- Imperial Theatre, London
- Imperial Theatre, New York
- Imperial War Museum, Southwark
- Improbable Theatre
- In Yer Space
- Indy Fringe Headquarters, Indianapolis
- Infant schools in Wiltshire and Hampshire
- Inlingua Edinburgh
- Institute of Contemporary Art ICA The Mall
- The Institute, Kelvedon
- The Institute, Kirby Lonsdale
- International, New York City, N.Y. (dates unknown)
- International Convention Centre, Birmingham
- International Festival of University Theatre
- International Students’ Drama League
- International Theatre, New York
- International Theatre Club
- Intimate Theatre
- Intimate Theatre, Johannesburg, SA
- Intimate Theatre, Palmers Green, London
- Inverleith Church Hall, Edinburgh
- Inverleith St Serf’s Church and Hall, Edinburgh
- Iontas Theatre, Castleblayney
- Ipswich Arts Theatre
- Irish Theatre, New York
- Iroko Country Club, Hampstead
- Irving Arts Center, Dallas, Texas, United States
- Irving Theatre Club, London
- Isaac Theatre Royal, Christchurch
- Island Arts Centre, Lisburn
- Islington Empire
- The Iveagh Bequest Kenwood House
