salus reipublicae suprema lex 'the welfare of the people is the supreme law.'

• imperative theory
• imperative theory
• imperitae culpae admunertur
• implied authority
• implied condition
• imprescriptible obligations
• imprisonment
• inaedificatum solo, solo cedit
• in bonis
• in camera
• incest
• inchoate
• inchoate offence
• incitement
• inclusio unius est exclusio alterius
• income and expenditure account
• income tax
• incommunicado
• inconsistent fact
• Incorporated Law Society of Ireland
• Incorporated Law Society of Northern Ireland
• incorporation
• incorporeal
• incorporeal hereditament
• incorporeal property