Instantaneous Self Assessment

Views Updated: Dec 15, 2025

Key Facts

Abbreviation

ISA

Pronunciation

/ˌɪnstənˈtæniəs sɛlf əˈsɛsmənt/

Category

Miscellaneous

Related Field

Unclassified

Other meanings of ISA

Instant Savings Account Misc

Internet Security and Acceleration Internet

Independent Savings Account Misc

Individual Savings Account Business

Industry Standard Architecture Gov

Instruction Set Architecture Gov

International Society of Automation Business

Internet Security Alliance Internet

Internal Security Act Computing

Intelligence And Security Agency Business