| adoptować | adopt |
| Adorf | Adorf |
| adorować | adore |
| Adoum Younousmi | Adoum Younousmi |
| Adour | Adour |
| ADR | European Agreement concerning the International Carriage of Dangerous Goods by Road |
| ADRA | Adventist Development and Relief Agency |
| Adramelech | Adramelech |
| Adrar des Iforas | Adrar des Ifoghas |
| Adrastea | Adrastea |
| Adrastos | Adrastus |
| adrenalina | adrenaline |
| Adres | Address |
| Adres gettysburski | Gettysburg Address |
| adres mailowy | e-mail |
| adres mejlowy | e-mail |
| adresarka | addressograph |
| adresat | addressee |
| adresatka | addressee |
| Adresowa książka | Address list |
| adresówka | dog tag |
| Adri Koster | Adrie Koster |
| Adri van Tiggelen | Adri van Tiggelen |
| Adria Airways | Adria Airways |
| Adriaan van den Spieghel | Adriaan van den Spiegel |
| Adriaen Brouwer | Adriaen Brouwer |
| Adriaen de Vries | Adriaen de Vries |
| Adriaen van de Velde | Adriaen van de Velde |
| Adriaen van Ostade | Adriaen van Ostade |
| Adrian | Adrian |
| Adrian Belew | Adrian Belew |
| Adrian Copilul Minune | Adrian Copilul Minune |
| Adrian Frutiger | Adrian Frutiger |
| Adrian Lamo | Adrian Lamo |
| Adrian Ludwig Richter | Adrian Ludwig Richter |
| Adrian Lyne | Adrian Lyne |
| Adrian Michalczyszyn | Adrian Mikhalchishin |
| Adrian Monk | Adrian Monk |
| Adrian Mutu | Adrian Mutu |
| Adrian Newey | Adrian Newey |
| Adrian Năstase | Adrian Năstase |
| Adrian Paul | Adrian Paul |
| Adrian Piţ | Adrian Piţ |
| Adrian Shephard | Adrian Shephard |
| Adrian Smith | Adrian Smith |
| Adrian Sutil | Adrian Sutil |
| Adrian Willaert | Adrian Willaert |
| Adrian z Canterbury | Adrian of Canterbury |
| Adriana Barraza | Adriana Barraza |
| Adriana Lima | Adriana Lima |
| Adriana Malkova | Adriana Málková |
| Adriana Sklenaříková | Adriana Sklenaříková |
| Adrianichthyidae | Ricefish |
| Adrianna | Adriana |
| Adriano Banchieri | Adriano Banchieri |
| Adriano Celentano | Adriano Celentano |
| Adriano Correia | Adriano Correia Claro |
| Adriano Emperado | Adriano Directo Emperado |
| Adriano Leite Ribeiro | Adriano Leite Ribeiro |
| Adrianopol | Edirne |
| Adrianus Johannes Simonis | Adrianus Johannes Simonis |
| Adriatyk | Adriatic Sea |
| Adrien Brody | Adrien Brody |
| Adrien de Gerlache | Adrien de Gerlache |
| Adrien Laurent de Jussieu | Adrien-Henri de Jussieu |
| Adrien-Marie Legendre | Adrien-Marie Legendre |
| Adrián López | Adrián López Álvarez |
| Adršpašskoteplické skály | Adršpach-Teplice Rocks |
| adsorbcja | adsorption |
| adsorpcja | adsorption |
| adsorpcja chemiczna | chemisorption |
| Adua | Adwa |
| Adult Video News | AVN |
| Advanced Access Content System | Advanced Access Content System |
| Advanced Host Controller Interface | Advanced Host Controller Interface |
| Advanced Micro Devices | Advanced Micro Devices |
| Advanced Power Management | Advanced Power Management |
| Advanced Research Projects Agency Network | ARPANET |
| Advanced Systems Format | Advanced Systems Format |
| Advanced Video Codec High Definition | Advanced Video Codec High Definition |
| Advokat | Advokat |
| Adwajta Wedanta | Advaita Vedanta |
| adwent | Advent |
| adwentysta | Adventist |
| Adwentyści | Adventist |
| adwersarz | adversary |
| adwokat | lawyer |
| adwokat Boga | God's advocate |
| adwokat diabła | devil's advocate |
| Adyga | Adige |
| Adygeja | Adygea |
| adygejski | Adyghe |
| adyton | adyton |
| Adán Martín Menis | Adán Martín Menis |
| Adékambi Olufadé | Adékambi Olufadé |
| Adıyaman | Adıyaman |
| Adźiwikowie | Ajivika |
| Adźmer | Ajmer |
| Adżanta | Ajanta Caves |
| Adżaria | Adzharia |
| Adżarowie | Adjarians |
| Adżarska Autonomiczna Socjalistyczna Republika Radziecka | Adjar Autonomous Soviet Socialist Republic |
| Adżdabija | Ajdabiya |
| Adżman | Ajman |
| AE | AE |
| Aedh | Áed of Scotland |
| Aegean Airlines | Aegean Airlines |
| Aegidius Colonna Romanus | Giles of Rome |
| Aegir | Aegir |
| AEGIS Ballistic Missile Defense System | Aegis combat system |
| AEK Ateny | AEK Athens FC |
| AEL Limassol | AEL Limassol |
| Aelia Eudokia | Aelia Eudoxia |
| Aelia Flacylla | Aelia Flaccilla |
| Aelita | Aelita |
| Aengus | Aengus |
| Aer Lingus | Aer Lingus |
| aerator | aerator |
| Aerie Peak | List of Warcraft locations |
| Aerina | Aerin |
| Aeris Gainsborough | Aerith Gainsborough |
| Aero Asia International | Aero Asia International |
| Aero Vodochody | Aero Vodochody |
| Aeroakustyka | Aeroacoustics |
| aerobik | aerobics |
| aerobiologia | aerobiology |
| Aerobioza | Aerobic organism |
| Aeroby | Aerobic organism |
| aerodrom | aerodrome |
| aerodyna | aerodyne |
| aerodynamiczny | aerodynamic |
| aerodynamika | aerodynamics |
| aerofagia | aerophagia |
| aerofiniszer | aerofinisher |
| aerofobia | aerophobia |
| Aerofłot | Aeroflot |
| aerologia | aerology |
| Aerolíneas Argentinas | Aerolíneas Argentinas |
| aerometr | aerometer |
| Aeron | Aeronian |
| Aeronautical Information Publication | Aeronautical Information Publication |
| aeronautyka | aeronautics |
| aeronomia | aeronomy |
| Aeronomy of Ice in the Mesosphere | Aeronomy of Ice in the Mesosphere |
| aeroplan | airplane |
| Aerosanie | Aerosan |
| aerosol | aerosol |
| Aerospike | Aerospike engine |
| aerostat | aerostat |
| Aerosvit | Aerosvit Airlines |
| aerozol | aerosol |
| Aerozole atmosferyczne | Aerosol |
| aerożel | aerogel |
| Aes Sedai | Aes Sedai |
| Aeschynit | Aeschynite- |
| AET | Alpha-Ethyltryptamine |
| Aethelhere | Æthelhere of East Anglia |
| Aethelred | Æthelred of Mercia |
| Aethina tumida | Small hive beetle |
| Aetowie | Aeta |
| AEX | AEX index |
| AF | AF |
| Afakia | Aphakia |
| Afar | Afar Region |
| Afarowie | Afar people |
| afazja | aphasia |
| AFC | Asian Football Confederation |
| AFC East | American Football Conference East Division |
| AFC North | American Football Conference North Division |
| AFC South | American Football Conference South Division |
| AFC West | American Football Conference West Division |
| afekcja | affection |
| afekt | emotion |
| afektacja | affectation |
| afektowanie | gushingly |
| afektowany | gushing |
| afektować | attitudinize |
| Afelandra | Aphelandra |
| Afelandra stercząca | Aphelandra squarrosa |
| afera | affair |
| Afera Der Spiegel | Spiegel scandal |
| Afera Dreyfusa | Dreyfus affair |
| Afera Iran-Contras | Iran-Contra Affair |
| Afera naszyjnikowa | Affair of the Diamond Necklace |
| Afera Profumo | Profumo Affair |
| Afera Rywina | Rywin affair |
| Afera Thomasa Crowna | The Thomas Crown Affair |
| Afera Watergate | Watergate scandal |
| afereza | apheresis |
| aferzysta | schemer |
| Affalterbach | Affalterbach |
| Affieux | Affieux |
| Affing | Affing |
| Affo Erassa | Affo Erassa |
| Affringues | Affringues |
| Afgani | Afghan afghani |
| Afganistan | Afghanistan |
