PISD
| Acronym | Definition |
|---|---|
| PISD | Plano Independent School District (Plano, Texas) |
| PISD | Pasadena Independent School District (Pasadena, TX) |
| PISD | Pflugerville Independent School District (Texas) |
| PISD | Pearland Independent School District (Texas) |
| PISD | Psychotropic-Induced Sexual Dysfunction (psychology and sex therapy) |
| PISD | Partnership for Integrity in Scientific Dis-semination |
| PISD | Post-Irradiation Sudden Deafness |