| IQ | institute of quality; intelligence quotient |
|---|---|
| IQ&S | iron, quinine, and strychnine |
| IQ, I.Q. | Intelligence Quotient; 지능지수(知能指數), 지능계수(知能系數) |
| IQAS | internal quality assurance system |
| IQB | individual quick blanch |
| IQCODE | information questionnaire on cognitive decline in the elderly |
| IQR | interquartile range |