| APPF | AppFabric Caching | AppFabric Caching Service |
| AppFlood | AppFolio | AppForge |
| Appfrica | AppFuse | Appfuse |
| APPG | APPG for Tribal Peoples | APPG on Agriculture and Food for Development |
| APPG on Legal and Constitutional Affairs | AppGallery | AppGameKit |
| Appgen | AppGen | AppGet |
| AppGratis | APPH | Apphadana |
| Apphadana evulsalis | Apphadana festina | Apphadana nigrofusca |
| Apphadana rubicundula | Apphadana rusticula | AppHang |
| AppHarvest | Appharvest | Apphia |
| Apphia Yu | Apphian | Apphianus |
| Apphianus yuccae | Apphus, Jonathan | APPI |
| Appi Aamchi Collector | Appi Kogen Ski Resort | Appi-Kōgen Station |
| Appi-Kogen Station | Appia | Appia (butterfly) |
| Appia (disambiguation) | Appia (Phrygia) | Appia (skipper) |
| Appia (software) | Appia Annia Regilla | Appia framework |
| Appia gens | Appiaca | Appiacca |
| Appiades | Appiah | Appiah (disambiguation) |
| Appiah Dankwah | Appiah, Anthony | Appiah, anthony |
| Appiah, Dennis | Appiah, Kwame Anthony | Appiah, Martha |
| Appiah, Samuel | Appiah, Stephen | Appiah-Pinkrah |
| Appian | Appian (disambiguation) | Appian Corporation |
| Appian Graphics | Appian of Alexandria | Appian Publications |
| Appian Publications & Recordings | Appian Publications and Recordings | Appian Tech Inc |
| Appian Tech Inc. | Appian Technology | Appian Way |
| Appian way | Appian Way (disambiguation) | Appian Way Productions |
| Appian Way Regional Park | Appian Way, Burwood | Appian Way, Burwood, Sydney |
| Appiani | Appiani (disambiguation) | Appiani Aragona family |
| Appiani family | Appiani, Andrea | Appiani-Aragona family |
| Appiano | Appiano (disambiguation) | Appiano Aragona family |
| Appiano Buonafede | Appiano family | Appiano Gentile |
| Appiano sulla Strada del Vino | Appiano sulla strada del vino | Appiano-Aragona family |
| Appianoporites | Appianoporites vancouverensis | Appianos |
| Appianum | Appianus | Appianus of Alexandria |
| Appiaria | Appias | Appias (butterfly) |
| Appias (genus) | Appias ada | Appias aegis |
| Appias albina | Appias albina albina | Appias ambigua |
| Appias amboides | Appias andersoni | Appias bachi |
| Appias canisia | Appias cardena | Appias caria |
| Appias dapha | Appias drusilla | Appias epaphia |
| Appias eurosundana | Appias galene | Appias haendeli |
| Appias indra | Appias irvini | Appias lalage |
| Appias lalassis | Appias lasti | Appias libythea |
| Appias lyncida | Appias margarita | Appias maria |
| Appias melania | Appias montanus | Appias nephele |
| Appias nero | Appias olferna | Appias panda |
| Appias pandione | Appias paulina | Appias perlucens |
| Appias phaola | Appias phoebe | Appias poeyi |
| Appias sabina | Appias saina | Appias sylvia |
| Appias udei | Appias wardi | Appias wardii |
| Appias weberi | Appias whiteheadi | Appias yambo |
| Appias zarinda | Appiayapalayam | Appice |
| Appice (disambiguation) | Appie | Appie Baantjer |
| Appie Chaiat | Appie Corman | Appie Groen |
| Appie Nouri | Appie Nourie | Appier |
| Appietto | Appietus | Appignanesi |
| Appignanesi (disambiguation) | Appignanesi, Richard | Appignani Foundation |
| Appignani Humanist Legal Center | Appignano | Appignano (Castiglione Messer Raimondo) |
| Appignano del Tronto | Appignano del tronto | Appignano, Castiglione Messer Raimondo |
| Appii forum | Appikatla | Appikatla railway station |
| Appikatla, Guntur district | Appikōgen Station | Appikonda |
| Appila | Appila, South Australia | Appilly |
| Appilque | AppImage | AppImage (packaging method) |
| AppImageKit | Appimandoum | Appin |
| Appin (Bennettsville, South Carolina) | Appin (company) | Appin (disambiguation) |
| Appin Dogs | Appin Falls | Appin Group |
| Appin Massacre | Appin mine disaster | Appin Murder |
| Appin murder | Appin Parish, Cumberland | Appin railway station |
| Appin Road | Appin station | Appin, Michigan |
| Appin, New South Wales | Appin, Ontario | Appindangoyé, Aaron |
| Appiness | Appiness (film) | Appingedam |
| Appingedam railway station | Appingen Abbey | Appinions |
| Appinite | Appio-Latino | Appion |
| Appion (theologian) | Appirio | Appistoki Peak |
| Appium | Appius | Appius (disambiguation) |
| Appius (praenomen) | Appius and Virginia | Appius and virginia |
| Appius and Virginia (1709 play) | Appius Annius Atilius Bradua | Appius Annius Gallus |
| Appius Annius Trebonius Gallus | Appius Annius Trebonius Gallus (consul 108) | Appius Annius Trebonius Gallus (consul 139) |
| Appius Annius Trebonius Gallus (consul suffectus) | Appius Annius Trebonius Gallus (disambiguation) | Appius Caecus |
| Appius Claudius | Appius Claudius (disambiguation) | Appius Claudius Caecus |
| Appius Claudius Caudex | Appius Claudius Crassus | Appius Claudius Crassus (consular tribune 403 BC) |
| Appius Claudius Crassus (consular tribune 424 BC) | Appius Claudius Crassus Inregillensis | Appius Claudius Crassus Inregillensis (consular tribune 403 BC) |
| Appius Claudius Crassus Inregillensis Sabinus | Appius Claudius Crassus Regillensis (consular tribune 403 BC) | Appius Claudius Decemvir |
| Appius Claudius Pulcher | Appius Claudius Pulcher (consul 135 BC) | Appius Claudius Pulcher (consul 143 BC) |
| Appius Claudius Pulcher (consul 185 BC) | Appius Claudius Pulcher (consul 212 BC) | Appius Claudius Pulcher (consul 38 BC) |
| Appius Claudius Pulcher (consul 54 BC) | Appius Claudius Pulcher (consul 79 BC) | Appius Claudius Pulcher (disambiguation) |
| Appius Claudius Pulcher (praetor 57 BC) | Appius Claudius Pulcher (praetor 88 BC) | Appius Claudius Russus |
| Appius Claudius Sabinus | Appius Claudius Sabinus Inregilense | Appius Claudius Sabinus Inregillensis |
| Appius Claudius Sabinus Regillensis | Appius Claudius Sabinus Regillensis (consul 471 BC) | Appius Herdonius |
| Appius Junius Silanus | Appius Nicomachus Dexter | Appius Pulcher |
| Appius Silanus | AppJar | AppJet |
| Appjet | Appkey | AppKit |
| Appkit | APPL | Appl |
| Appl Acoust | Appl Anim Behav Sci | Appl Anim Ethol |
| Appl Animal Behav Sci | Appl Animal Ethol | Appl Artif Intell |
| Appl Bionics Biomech | Appl Clin Genet | Appl Clin Res Clin Trials Regul Aff |
| Appl Cogn Psychol | Appl Comput Electromagn Soc J | Appl Comput Harmon Anal |
| Appl Comput Intell Soft Comput | Appl Comput Math | Appl Dev Sci |
| Appl Drug Res Clin Trials Regul Aff | Appl Econ | Appl Econ Lett |
| Appl Econ Perspect Policy | Appl Econom Int Dev | Appl Energy |
