| allesoverheersend | all-conquering |
| allesverslindend | voracious |
| alleszins | by all means |
| Allgermanische Heidnische Front | Heathen Front |
| Allgäu | Allgäu |
| Allhartsberg | Allhartsberg |
| alliage | alloy |
| Alliance Française | Alliance française |
| alliantie | alliance |
| Alliantie van Democratische Krachten | Alliance of Democratic Forces for the Liberation of Congo |
| Alliantie van Liberalen en Democraten voor Europa | Alliance of Liberals and Democrats for Europe |
| Alliantie van Onafhankelijke Democraten voor Europa | Alliance of Independent Democrats in Europe |
| Alliantie van Recht en Waarheid | Justice and Truth Alliance |
| Alliantie van Vrije Democraten | Alliance of Free Democrats |
| Alliantie voor Zweden | Alliance for Sweden |
| Alliantiepartij van Fiji | Alliance Party |
| Allianz | Allianz |
| Allianz Arena | Allianz Arena |
| Alliat | Ali |
| allicht | easily |
| allicine | allicin |
| Allier | Allier |
| alligator | alligator |
| Alligatorchelydra | Alligator Snapping Turtle |
| Alligatorhagedis | Southern Alligator Lizard |
| Alligators | Alligatoridae |
| Alling | Alling |
| alliteratie | alliteration |
| allitererend | alliterative |
| Allmannshofen | Allmannshofen |
| Allmannsweiler | Allmannsweiler |
| Allmendingen bei Bern | Allmendingen bei Bern |
| Allmersbach im Tal | Allmersbach |
| Allmänna Svenska Elektriska Aktiebolaget | ASEA |
| Allobroges | Allobroges |
| allocatie | allocation |
| allochtoon | foreign |
| Allodium | Allodial title |
| Allofoon | Allophone |
| allogamie | cross-fertilization |
| allomorfisch | allomorphic |
| Allons | Go |
| Allonzier-la-Caille | Allonzier-la-Caille |
| Allopathie | Allopathic medicine |
| Allopatrische soortvorming | Allopatric speciation |
| Allophryninae | Tukeit Hill Frog |
| Allosauridae | Allosaurid |
| Allosauroidea | Allosauroidea |
| Allosaurus | Allosaurus |
| Allotropie | Allotropy |
| Allouagne | Allouagne |
| Allouis | Allouis |
| Allowin van Haspengouw | Saint Bavo |
| allrounder | all-rounder |
