| Actionrun | ActionRun | Actionscript |
| ActionScript | Actionserie | Actionserien |
| Actionspel | Actionthriller | Actiopan |
| Actipan | Actipan (ort i Mexiko, Puebla, Acatzingo) | Actipan (ort i Mexiko, Puebla, Caltepec) |
| Actipan (San Isidro) | Actipan de Morelos | Actipan, Acatzingo |
| Actipan, Caltepec | Actiq | Actis |
| Actis mimeta | Actisecidae | Actisecos |
| Actisecos pulcher | Actisecos regularis | Actitis |
| Actitis hypoleucos | Actitis macularia | Actitis macularius |
| Actitocoris signatus | Actium | Actium (djur) |
| Actium abitibiense | Actium aculeatum | Actium angustum |
| Actium arundineum | Actium barbatum | Actium barri |
| Actium bicolor | Actium bifoveatum | Actium brevipenne |
| Actium calcaris | Actium californicum | Actium candidum |
| Actium chiloquinensis | Actium cochisei | Actium decipiens |
| Actium falcatum | Actium fastigium | Actium fastosum |
| Actium femineum | Actium formosum | Actium functum |
| Actium haasi | Actium hatchi | Actium hazeltinei |
| Actium helferi | Actium impunctatum | Actium maiduorum |
| Actium marinicum | Actium microphthalmum | Actium ojaiensis |
| Actium pacificum | Actium pallidum | Actium pandum |
| Actium politum | Actium retractum | Actium robustulum |
| Actium rothi | Actium tempus | Actium tenellum |
| Actium tentum | Actium testaceum | Actium wawonaensis |
| Actius Sincerus | Activated | Active |
| Active (kulle) | Active (strömfåra) | Active 24 |
| Active Biotech | Active Capital | Active Capital AB |
| Active Desktop | Active Directory | Active Media Group |
| Active metabolic rate | Active Pass | Active Phased Array Radar |
| Active Reef | Active Server Pages | Active set |
| Active set-metoden | Active site | Active Sound |
| Active Time Battle | Active X | Active, estrecho |
| Active, roca | Active24 | ActiveQt |
| ActiveX | Actividades de Construcción y Servicios | Actividades de Construcción y Servicios S.A. |
| Activision | Activision Blizzard | Activision Gamemaker |
| Activity | Activity (travhäst) | Activity Pub |
| Activitypub | ActivityPub | Actizera |
| Actizera ahasveros | Actizera anisophthalma | Actizera arsacia |
| Actizera atrigemmata | Actizera endymion | Actizera grumi |
| Actizera lucida | Actizera panaegides | Actizera panagaea |
| Actizera stellata | Actizera taygetica | Actizona |
| Actizona borealis | Actizona chuskae | Actizona trifoveatum |
| Actlzayanca | Actlzayanca de Hidalgo | Actoceles abscondita |
| Actoceles georgiana | Actocetor | Actocetor afrus |
| Actocetor anormalipennis | Actocetor beckeri | Actocetor decemugttatus |
| Actocetor hova | Actocetor indicus | Actocetor lindneri |
| Actocetor margaritatus | Actocetor nigrifinis | Actocetor panelii |
| Actocetor toniatabae | Actocetor yaromi | Actodromas bairdii |
| Actol | Acton | Acton (berg) |
| Acton (community i Storbritannien, Wales) | Acton (del av en befolkad plats) | Acton (distrikt i Storbritannien, England, Cheshire East) |
| Acton (kommun) | Acton (olika betydelser) | Acton (ort i Storbritannien, England, Shropshire) |
| Acton and Old Felton | Acton Beauchamp | Acton Bell |
| Acton Bjørn | Acton Bridge | Acton Bridge (ort) |
| Acton Burnell | Acton Burnell Castle | Acton Green |
| Acton Park | Acton Round | Acton Scott |
| Acton Smee Ayrton | Acton Trussell | Acton Trussell and Bednall |
| Acton Turville | Acton Turville (ort) | Acton Vale |
| Acton Vale (kommun) | Acton Vale (ort) | Acton, Canberra |
| Acton, Cheshire | Acton, Cheshire West and Chester | Acton, John |
| Acton, John Dalberg-Acton, 1:e baron | Acton, Kalifornien | Acton, London |
| Acton, Maine | Acton, Massachusetts | Acton, Middlesex |
| Acton, Mount | Acton, Québec | Acton, Shropshire |
| Acton, Suffolk | Acton, Wrexham | Actoniscus lindahli |
| Actoniscus tuberculatus | Actopan | Actopan (kommun i Mexiko, Hidalgo, lat 20,28, long -98,92) |
| Actopan (kommun i Mexiko, Veracruz, lat 19,53, long -96,51) | Actopan (ort i Mexiko, Hidalgo, Actopan, lat 20,27, long -98,94) | Actopan (ort i Mexiko, Morelos) |
| Actopan (ort i Mexiko, Veracruz, Actopan, lat 19,50, long -96,62) | Actopan (ort i Mexiko, Veracruz, Tlacotepec de Mejía) | Actopan, Actopan |
| Actopan, Hidalgo | Actopan, Morelos | Actopan, Tlacotepec de Mejía |
| Actophilornis | Actophilornis africanus | Actophilornis albinucha |
| Actophylla | Actophylla varendorffiana | Actoplanes canniformis |
| Actoplanes grandis | Actoplanes ridleyi | Actopsyllus |
| Actopsyllus longipes | ACTOR | Actor |
| Actora aestuum | Actora cinerascens | Actora ferruginea |
| Actora flavipes | Actornithophilus | Actornithophilus bicolor |
| Actornithophilus ceruleus | Actornithophilus grandiceps | Actornithophilus hoplopteri |
| Actornithophilus limosae | Actornithophilus multisetosus | Actornithophilus ochraceus |
| Actornithophilus paludosus | Actornithophilus pediculoides | Actornithophilus piceus |
| Actornithophilus pustulosus | Actornithophilus spinulosus | Actornithophilus totani |
| Actornithophilus umbrinus | Actors Studio | Actorthia |
| Actorthia ahngeri | Actorthia canescens | Actorthia efflatouni |
| Actorthia flavipennis | Actorthia frontata | Actorthia kerzhneri |
| Actorthia khedivialis | Actorthia kozlovi | Actorthia lacteipennis |
| Actorthia lucidipennis | Actorthia micans | Actorthia nigra |
| Actorthia olivierii | Actorthia pulchella | Actraiser |
| ActRaiser | Actraiser 2 | Actress |
| Actrix | Actrix dissimulatrix | Actrotomofil |
| Actrotomofili | Acts of the Unspeakable | Acts of Union 1707 |
| ACTU | Actual Miles | Actual Miles: Henley's Greatest Hits |
| Actually | Actuant | Actumnus |
| Actumnus obesus | Actun Tunichil Muknal | Actus reus |
| Actus Tragicus | Actus Tragicus (serieskapargrupp) | Actus tragicus av Bach |
| Actus Tragicus av Bach | Actus Tragicus av J. S. Bach | Actus Tragicus av J.S. Bach |
| ACTUV | Acu | Acuaco |
| Acuaco (ort) | Acuamanala | Acuamanala de Miguel Hidalgo |
| Acuan acuminata | Acuan arsenei | Acuan bahamense |
| Acuan bicornutum | Acuan cooleyi | Acuan covillei |
| Acuan depressa | Acuan depressum | Acuan fallax |
| Acuan fendleri | Acuan fruticosum | Acuan glandulosum |
| Acuan guadeloupense | Acuan illinoense | Acuan insulare |
| Acuan interior | Acuan jamesii | Acuan latum |
| Acuan leptolobum | Acuan obtusa | Acuan oligospermum |
