| Acronym | Sense | Language | Topics |
|---|---|---|---|
| APE | Auroral Photography Experiment | In English | → Earth sciences |
| APE | Arithmetic Processing Extension | In English | |
| APE | Asesoramiento de Proyectos Empresariales | In Spanish | |
| APE | Agencja Poszanowania Energii | In Polish | → Energy economics |
| APE | Agence des Participations de l'État (www.ape.minefi.gouv.fr) | In French | → Central administration → Finance → France |
| APE | Associazione Italiana Produttori Esecutivi (www.ape-italy.com) | In Italian | → Associations → Cinema, movies → Italia |
| APE | Associazione Pavese Esperanto | In Italian | → Associations → Artificial languages (linguistics) → Italia |
| APE | Asociación Primatológica Española (www.uam.es/ape) | In Spanish | → Associations → Primates → Spain |
| APE | Aqua-Planet Experiment | In English | → Marine research, oceanography |
| APE | Ammunition Peculiar Equipment | In English | → Military engineering |
| APE | Approche Par États | In French | |
| APE | Analyses of Phylogenetics and Evolution | In English | → Software → Biotechnology → Genetics → Enzymes |