| almanacco | almanac |
| Almanacco di Gotha | Almanach de Gotha |
| Almanzor | Al-Mansur Ibn Abi Aamir |
| Almaren | Minor places in Middle-earth |
| Almaty | Almaty |
| Almazán | Almazán |
| Almeida Garrett | Almeida Garrett |
| Almelo | Almelo |
| almeno | least |
| Almens | Almens |
| Almere | Almere |
| Almería | Almería |
| Almiserà | Almiserà |
| Almissa | Omiš |
| Almo | See en grande |
| Almodis de La Marche | Almodis de la Marche |
| Almodóvar del Río | Almodóvar del Río |
| Almohadi | Almohad dynasty |
| Almoravidi | Almoravid dynasty |
| Almussafes | Almussafes |
| almuzia | almuce |
| Almàssera | Almàssera |
| Almáchar | Almáchar |
| Alnilam | Epsilon Orionis |
| Alnitak | Zeta Orionis |
| Alnus | Alder |
| Alnus cordata | Italian Alder |
| Alnö | Alnö |
| Aloadi | Aloadae |
| aloe | aloe |
| Aloe arborescens | Aloe arborescens |
| Aloe dichotoma | Aloe dichotoma |
| Aloe vera | Aloe vera |
| Aloeo | Aloeus |
| Alofi | Alofi |
| aloformio | haloform |
| Alogeni | Halogen |
| alogeno | halogen |
| Alogenuri alchilici | CFC |
| Alois Alzheimer | Alois Alzheimer |
| Alois Hitler | Alois Hitler |
| Alois Löser | Brother Alois |
| Alois Riegl | Alois Riegl |
| Alois Senefelder | Alois Senefelder |
| Aloisius Ludwig Minkus | Ludwig Minkus |
| Alojz Szokol | Alojz Sokol |
| Alojzije Viktor Stepinac | Aloysius Stepinac |
| alone | aura |
| Alone galattico | Galactic halo |
| Alone with Everybody | Alone with Everybody |
| Aloni | Lens flare |
| Alonissos | Alonissos |
| Alonso Berruguete | Alonso Berruguete |
| Alonso Cano | Alonzo Cano |
| Alonso de Ercilla | Alonso de Ercilla y Zúñiga |
| Alonso de Ojeda | Alonso de Ojeda |
| Alonsotegi | Alonsotegi |
| Alonzo | Alonso |
| Alonzo Church | Alonzo Church |
| Alope | Alope |
| alopecia | alopecia |
| Alopex lagopus | Arctic fox |
| Alopias superciliosus | Bigeye thresher |
| Alopias vulpinus | Long-tailed thresher shark |
| Alos-Sibas-Abense | Alos-Sibas-Abense |
| Alosa fallax | Twait shad |
| Alouatta caraya | Black Howler |
| Aloxe-Corton | Aloxe-Corton |
| Aloysius Joseph Muench | Aloisius Joseph Muench |
| Aloysius Matthew Ambrozic | Aloysius Ambrozic |
| Aloísio Leo Arlindo Lorscheider | Aloísio Lorscheider |
| Alp Arslan | Alp Arslan |
| alpaca | alpaca |
| Alpbach | Alpbach |
| alpe | alp |
