| NID | National Immunization Day |
|---|---|
| NID | Neuronal Intestinal Dysplasia |
| NIDA | National Institute of Drug Abuse |
| NIDD | Non Insulin-Dependent Diabetic |
| NIDD | Non-insulin dependent diabetes |
| NIDD | non insulin dependent |
| NIDDM | Non Insulin Dependent Diabetes Mellitus |
| NIDDM | Non Insulin dependent diabetics |
| NIDDM | Non-Insulin Dependent |
| NIDDM | Non-insulin dependent diabetes |