JCI may refer to: Jakarta Composite Index of Indonesia Stock Exchange (see JSX Composite) JCI Limited or Johannesburg Consolidated Investment Company Limited, formed in 1889 and later split into Anglo American Platinum, Johnnic, and JCI Gold Johnson Controls Inc., a producer of automotive systems, automotive batteries and climate control systems Joint Commission International, a US-based organization for healthcare accreditation Journal citation indicator, a measure of academic journal influence Journal of Clinical Investigation, a journal that publishes biomedical research and reviews Journal of Controversial Ideas, an academic journal Junior Chamber International, a worldwide community of young active citizens Juventud Comunista Ibérica, (Iberian Communist Youth), youth wing of the Iberian Communist Federation