SRI is an acronym, a TLA. It can standard for a number of terms including:

• Swiss Radio International
• A number of research institutes , such as:
  • Stanford Research Institute, now SRI International
  • Space Research Institute
  • Silsoe Research Institute
• serotonin reuptake inhibitor (compare to selective serotonin reuptake inhibitor)
• surveillance, reconnaissance, and intelligence
• Serviciul Roman de Informatii
• safety-related instrumentation
• source route indicator
• supplier registration information
• system request interface
• socially responsible investing or socially-responsible investment

In Hinduism, Sri (commonly Lakshmi) is the consort of Vishnu and is also an honorific.