| KIP | key intermediary protein |
|---|---|
| KiP | kilopascal |
| KIPS | key indicators, probes, and scoring method [for evaluating compliance with requrements for accreditation] |
| KISS | key integrative social system; saturated solution of potassium iodide |
| KIT | Kahn Intelligence Test |
| KIU | kallikrein inactivation unit |
| KIVA | keto isovaleric acid |