KGI Views 6 meanings found KGI is used to refer to a low‑level graphics API, a biotech graduate school in California, and various place names in Australia and Canada, especially Kalgoorlie and Kirkland Lake. Academic & Science Keck Graduate Institute Regional Kalgoorlie, Western Australia, Australia Computing Kernel Graphics Interface Business Kaufman Group, Inc. Kirkland Lake Kirkland Lake Gold Incorporated (de-listed)