| Pi Lambda Theta | |
|---|---|
| ΠΛΘ | |
 | |
| Founded | 1910 |
| Type | Honor and Professional |
| Affiliation | PDK International |
| Former Affiliation | PFA |
| Status | Active |
| Emphasis | Education |
| Scope | National |
| Colors | Gold |
| Publication | KAPPAN magazine |
| Chapters | 67 |
| Members | 185,000+ lifetime |
| National formed | July 7, 1917 |
| Headquarters | PO Box 13090 Arlington, Virginia 22219 United States |
| Website | pilambda |
Pi Lambda Theta (ΠΛΘ) is one of three main education honor societies and professional associations for educators in the United States.