- I am from Austria (Wien 2017)
- I Can Get It For You Wholesale (Broadway 1962)
- I Love You Because (Broadway 2006)
- Ich war noch niemals in New York (Hamburg 2007)
- Ich war noch niemals in New York (2011)
- Ich will Spass! (Essen 2008)
- If/Then (Broadway 2014)
- Im weissen Rössl (Mörbisch 2008)
- Imagine This (London 2008)
- Imaginocean (Off-Broadway 2010)
- The Importance Of Being Earnest (London 2016)
- The Immigrant (US Studio 2005)
- In The Geights (Broadway 2008)
- In Transit (Broadway 2017)
- In Trousers (Off-Broadway 1979)
- The In-Between (London Concept Album 2012)
- Indecent (Broadway 2018)
- Indoor Garden Party (Studio 2017)
- Into The Woods (London 1991)
- Into The Woods (Broadway Revival 2002)
- Io Senza Te (Die Originalsongs zum Musical 2015)
- Irene (Broadway 1973)
- Irene (London 1976)
- Irving Berlin's White Christmas (San Francisco 2006)
- It Shoulda Been You (Broadway 2015)