The purpose of this study was to develop a self-report test to measure the multiple intelligences of elementary school students in grades 4-6, and to verify the reliability and validity of the test. For the study, domestic and international prior research related to measuring multiple intelligences was first reviewed. To operationally define multiple intelligences and develop test items, a panel of 13 experts underwent two rounds of Delphi surveys, resulting in 155 preliminary test items. A preliminary test was administered online to 375 participants, and after item analysis, 122 items were selected for the main test. The main test was administered to 1,062 participants, and after verifying item quality and considering test practicality through research team meetings, 97 final items were confirmed. The final developed test confirmed construct validity through confirmatory factor analysis, and the reliability of the eight multiple intelligence domains ranged from .811 to .878, which is satisfactory. To verify concurrent validity, 87 of the main test participants took the Career Development Competency Test for Elementary Students, confirming significant correlations between competencies measuring similar domains and intelligences.