Einzelmitglieder
| Lazzarini Valeria | 6990 | Massagno | Psicoterapeuta ASP | |
| Le Scan Solène | 1175 | Lavigny | Psychothérapeute ASP | |
| Lechmann Catherine | 3008 | Bern | Psychotherapeutin ASP | |
| Lecuit Garcia Perez Ariana | 1005 | Lausanne | Psychothérapeute ASP | |
| Lehner Karin | lic. phil. | 8910 | Affoltern a/A | Psychotherapeutin ASP |
| Lella Marida | 6921 | Vico Morcote | Psicoterapeuta ASP | |
| Lempert Thomas | 8008 | Zürich | Psychotherapeut ASP | |
| Lenz Sabine | dipl. psych. IAP | 8006 | Zürich | Psychotherapeutin ASP |
| Lepori Dominique | lic. oec., lic. phil. | 8002 | Zürich | Psychotherapeutin ASP |
| Lerch Barbara | 3011 | Bern | Psychotherapeutin ASP | |
| Leuzinger Monika | 8005 | Zürich | Psychotherapeutin ASP | |
| Liengme Alicia Norma | lic. psych. | 1209 | Genève | Psychothérapeute ASP |
| Lier Doris | lic. phil. I | 8006 | Zürich | Psychotherapeutin ASP |
| Liersch Madlen | MSc | 5630 | Muri | Psychotherapeutin ASP |
| Lieske Konrad | lic. phil. | 8400 | Winterthur | Psychotherapeut ASP |
| Locher-Dworkin Roberta | MSc | 8006 | Zürich | Psychotherapeutin ASP |
| Lorz-Zitzmann Astrid | MAS | 3007 | Bern | Psychotherapeutin ASP |
| Lucchini Cristina | lic. phil. | 6932 | Breganzona | Psicoterapeuta ASP |
| Lucchini Francesco | 6850 | Mendrisio | Psicoterapeuta ASP | |
| Ludwig Christiana | 7000 | Chur | Psychotherapeutin ASP | |
| Luginbühl Peter | lic.phil. | 8006 | Zürich | Psychotherapeut ASP |
| Lüscher Irene | lic. phil. l | 8001 | Zürich | Psychotherapeutin ASP |
| Lüthi Bernhard Johann | Msc | 5210 | Windisch | Psychotherapeut ASP |
| Lutz Hochreutener Sandra C. | 9056 | Gais | Psychotherapeutin ASP | |
| Maag Lendi Diana | lic. phil. 1 | 8004 | Zürich | Psychotherapeutin ASP |