| Acutifrons caracarensis | Acutodorcadion | Acutosiphon |
| Acuvue | Acxiom | Acyntha |
| Acyrhosiphon | Acyrthosiphon | Acyrthosiphon gossypii |
| Acyrthosiphon pisum | Acyrthosiphon solani | Acyrtosiphon |
| Acytolepis lilacea | Acytota | AD |
| Ad | Ad absurdum | Ad acta |
| Ad aeternum | Ad Apostolorum Principis | Ad aras |
| Ad arbitrium | Ad astra per aspera | Ad augusta per angusta |
| Ad aware | Ad bestias | Ad bestias! |
| Ad Calendas Graecas | Ad calendas graecas | Ad captandum benevolentiam |
| Ad captandum vulgus | Ad cogitandum et agendum homo natus est | Ad delectandum |
| Ad discendum, non ad docendum | Ad disputandum | Ad ea debeat adaptari jus, quae frequenter eveniunt |
| Ad exemplum | Ad extirpanda | Ad extra |
| Ad extremitates | Ad finem | Ad fontes |
| Ad futarum memoriam | Ad futarum rei memoriam | Ad Gentes |
| Ad gloriam | Ad gustum | Ad gustus |
| Ad hastam | Ad Herculis columnas | Ad hoc |
| Ad hoc (значения) | Ad hoc On-Demand Distance Vector Routing | Ad hoc полиморфизм |
| Ad hominem | Ad hominem circumstantiae | Ad hominem tu quoque |
| Ad honores | Ad hoste maligno libera nos, Domine | Ad impossibilia nemo tenetur |
| Ad infinitum | Ad informandum | Ad instar |
| Ad instruendum | Ad interim | Ad latus |
| AD Leonis | Ad Lib | Ad lib |
| Ad Liberum | Ad libita librarii | Ad libitum |
| Ad Libitum | Ad Libitum (группа) | Ad Libitum (группа, Екатеринбург) |
| Ad libitum (значения) | Ad litem | Ad litteram |
| Ad loca! | Ad maiorem Dei gloriam | Ad majorem |
| Ad majorem Dei gloriam | Ad majorem dei gloriam | Ad majorem gloriam |
| Ad Majorem Sathanas Gloriam | Ad manum | Ad Marginem |
| Ad Marginem (издательство) | Ad maximum | Ad meliora tempora |
| Ad meliorem | Ad Melpomenem | Ad memorandum |
| Ad minimum | Ad modum | Ad multus annos |
| Ad Muncher | Ad narrandum, non ad probandum | Ad nauseam |
| Ad normam | Ad notam | Ad notanda |
| Ad notata | Ad oculos | Ad opus! |
| Ad patres | Ad patres conscriptos | Ad perpetuam rei memoriam |
| Ad personam | Ad Petri Cathedram | Ad pias causas |
| Ad pluralitatem votorum | AD Police | AD Police - To Protect and Serve |
| AD Police: To Serve and Protect | Ad publicandum | Ad ratificandum |
| Ad referendum | Ad rem | Ad se ipsum |
| Ad Sinarum Gentem | Ad totalem evaporabionem | Ad unguem |
| Ad unum omnes | Ad usum | Ad usum Delphini |
| Ad usum delphini | Ad usum externum | Ad usum internum |
| Ad usum populi | Ad usum proprium | Ad usum vitae |
| Ad valorem | Ad verbum | Ad verbum audiendum |
| Ad vitam | Ad vitam aeternam | Ad vitam aut culpam |
| Ad vocem | AD Льва | AD&D |
| AD-AS | Ad-Aware | Ad-gio |
| Ad-hoc | Ad-hoc On-demand Distance Vector | AD-mix |
| Ad-Rock | Ad.Br. | AD/HD |
| Ada | AdA | ADA |
| Ada (язык программирования) | ADA Aerospace | Ada Brown |
| Ada County, Idaho | AdaBoost | ADAC |
| ADAC Berlin-Brandenburg | ADAC Formel 4 | ADAC Formel Masters |
| ADAC Формула-4 | ADAC Формула-Мастер | Adachi-ga Hara |
| Adachia | Adactylus | Adagio |
| Adagio (band) | Adagio (группа) | Adagio for Strings |
| Adair County, Iowa | Adair County, Kentucky | Adair County, Missouri |
| Adalia | Adalia bipunctata | ADAM |
| Adam | Adam & the Ants | Adam Ahmed R. Gemili |
| Adam and the Ants | Adam Ant | ADAM Audio |
| Adam Baldwin | Adam Bartlett | Adam Bell, Clim of the Clough and William of Cloudesley |
| Adam Bernard Mickiewicz | Adam Bernstein | Adam Blythe |
| Adam Brody | Adam Charles Goldberg | Adam Cheng |
| Adam Cheng Siu-Chow | Adam Clayton | Adam Copeland |
| Adam David Lallana | Adam David Willard | Adam Drury |
| Adam Federici | Adam Forshaw | Adam Frans van der Meulen |
| Adam G. Sevani | Adam Gregory II | Adam Griffiths |
| Adam Grinberg | Adam Hammill | Adam Hansen |
| Adam in Chains | Adam Irigoyen | Adam Jarubas |
| Adam Jezierski | Adam Johansson | Adam Kszczot |
| Adam Lallana | Adam Lambert | Adam le Fondre |
| Adam Levine | Adam Lindsay Gordon | Adam Matthews |
| Adam Matuschyk | Adam Morrison | Adam Motor Company |
| Adam Nelson | Adam Newton | Adam Noah Levine |
| Adam Opel | Adam Opel GmbH | Adam Paul Tinley |
| Adam Przeworski | Adam Randal Young | Adam Rooney |
| Adam Rose | Adam Sandler | Adam Sarota |
| Adam Savage | Adam Scott | Adam Sebastian Helcelet |
| Adam Sebastian Jarubas | Adam Silver | Adam Stefan Stanisław Bonfatiusz Józef Sapieha |
| Adam Taggart | Adam Tomek Sarota | Adam Virgo |
| Adam Wakeman | Adam Wiśniewski | Adam Wisniewski |
| Adam Wolanin | Adam Yates | Adam Young |
| Adam А500 | Adam А700 | Adam's Rib |
| ADAM-протеазы | ADAM10 | ADAM17 |
| Adam7 | ADAM8 | Adama Traoré |
| Adama z Zatora | Adamant (альбом) | Adamantinia |
| Adamantinia miltonioides | Adamantisaurus | Adamantisaurus mezzalirai |
| Adamantix | Adamczak | ADAMI |
| Adamov | Adams | Adams (конструктор) |
| Adams County | Adams County (метеорит) | Adams County, Idaho |
| Adams County, Illinois | Adams County, Iowa | Adams County, Mississippi |
| Adams County, Nebraska | Adams County, Ohio | Adams County, Washington |
| Adamsia | Adamsia scilloides | Adamski |
| Adamsochrysa aspera | Adamsochrysa wilsoni | Adamson |
| Adamussiinae | Adamussium | Adamussium colbecki |
| Adans. | Adansonia | Adansonia bahobab |
| Adansonia baobab | Adansonia digitata | Adansonia gibbosa |
| Adansonia grandidieri | Adansonia gregorii | Adansonia integrifolia |
| Adansonia madagascariensis | Adansonia rubrostipa | Adansonia scutula |
