ISMI may refer to one of the following

• income support mortgage interest, social benefit in the UK to pay the mortgage interest
• Institute for the Study of Modern Israel
• Institute for the Study of Man, Inc.
• International Sematech Manufacturing Initiative
• Ismi, a German exonym for a Hungarian place Izmény

• Cherlak, Cherlaksky District, Omsk Oblast
• Cherlin's saw-scaled viper
• Cherlin-zilber conjecture
• Cherm
• Cher Mama (The Balham Alligators song)
• Chermanangad
• Chermesidae
• Chermidae
• Chermignon
• Chermignon, Switzerland
• Chermignon (Valais)
• Chermignon VS
• Chermin
• C. Hermite
• Chermoeff
• Chermosese
• Chermoyev
• Chermside bus station
• Chern
• Chernabog
• Chernabura
• Chernavka
• Chernavsky
• Chernavsky yury
• Chernaya