| Acronym | Sense | Language | Topics |
|---|---|---|---|
| APP | Advance Procurement Package | In English | |
| APP | Astrophysics Payload | In English | → Astronautics → Astronomy |
| APP | Amyloid Precursor Protein | In English | → Proteins |
| APP | Atelier de Pédagogie Personalisé(e) | In French | → Education |
| APP | Atelier Pédagogique Personnalisé | In French | → Education |
| APP | Autorisation de Programme Prévisionnelle | In French | |
| APP | Agence de Protection des Programmes (http://app.legalis.net) | In French | → Software → Industrial property |
| APP | Accident de Plain Pied | In French | → Accidents, risks, safety → Personnel management |