| y axes | osy y |
| y axis | osa y |
| Y chromosome | chromozóm Y |
| y-axes | osy y |
| y-axis | osa y |
| Y-cable | kabelová rozdvojka |
| Y-fronts | slipy |
| Y-Δ transform | Přepočet hvězda trojúhelník |
| ya | ano |
| YABA | Yet Another Bloody Acronym |
| Yabloko | Jabloko |
| Yachad | Meretz |
| yacht | jachta |
| yacht club | jachtový klub |
| yachting | jachting |
| yachtsman | jachtař |
| yachtsmen | jachtaři |
| yachtswoman | jachtařka |
| yack | únavně mluvit |
| Yad Avshalom | Jad Avšalom |
| Yad Vashem | Jad Vašem |
| YADS | Yet Another DOS Shell |
| YAFA | Yet Another Fine Acronym |
| Yaffil | Žluna zelená |
| YAFIYGI | You Asked For It |
| YAG laser | ytrium-aluminium-granátový laser |
| Yagi | Yagi |
| yahoo | juchú |
| Yahtzee | Poker |
| Yahveh | Jehova |
| Yahweh | JHVH |
| Yahya Jammeh | Yahya Jammeh |
| Yajur-Veda | Jadžur véda |
| yak | jak |
| yak butter | jačí máslo |
| Yakima | okres v USA |
| Yakov Pavlov | Jakov Fedotovič Pavlov |
| Yakuake | YaKuake |
| Yakub Kolas | Jakub Kolas |
| Yakushi-ji | Jakušidži |
| Yakushima | Jakušima |
| Yakutia | Sacha |
| Yakutsk | Jakutsk |
| Yakuza | Jakuza |
| Yale | Yale |
| Yale University | Yale University |
| Yalong River | Ja-lung |
| Yalova Province | Yalovská provincie |
| Yalpug Lake | Jalpuh |
| Yalta | Jalta |
| Yalta Conference | Jaltská konference |
| Yalu River | Amnokkang |
| yam | jam |
| Yama | Jama |
| Yama-dera | Jama-dera |
| Yamagata | Jamagata |
| Yamagata Prefecture | Prefektura Jamagata |
| Yamaguchi | Jamaguči |
| Yamaguchi Prefecture | Prefektura Jamaguči |
| Yamaha | Yamaha |
| Yamal | Jamal |
| Yamal-Europe pipeline | Plynovod Jamal - Evropa |
| Yamana clan | Klan Jamana |
| Yamana Sōzen | Sózen Jamana |
| Yamanashi | Jamanaši |
| Yamanashi Prefecture | Prefektura Jamanaši |
| Yamanote Line | Linie Jamanote |
| Yamashiro Province | Provincie Jamaširo |
| Yamato | Jamato |
| Yamato class battleship | Jamato |
| Yamato period | Jamato |
| Yamato Province | Provincie Jamato |
| Yambol | Jambolská oblast |
| Yambol Province | Jambolská oblast |
| yammer | naříkání |
| yammerer | fňukal |
| Yamoussoukro | Yamoussoukro |
| Yamuna | Jamuna |
| Yanagisawa Wind Instruments | Yanagisawa |
| Yanartaş | Chiméra |
| YANETUT | You Are Not Expected To Understand This |
| yang | jang |
| Yang Liwei | Jang Li-wej |
| Yangon | Rangún |
| Yangon Division | Rangún |
| Yangtze | Jang-c'-ťiang |
| Yangtze River | Jang-c'-ťiang |
| yank | trhnout |
| yanked | vytrhnutý |
| Yankee | Američan |
| yankeeland | amerika |
| Yankees | posměšně Američané |
| yanking | škubání |
| yanks | vytrhává |
| Yankton | okres v USA |
| Yann Arthus-Bertrand | Yann Arthus-Bertrand |
| Yann Tiersen | Yann Tiersen |
| Yanni | Yanni |
| Yannick Noah | Yannick Noah |
| Yanoconodon | Yanoconodon |
| Yantra | Jantra |
| Yantra River | Jantra |
| YAOTM | Yet Another Off-Topic Message |
| Yaounde | hl.m. - Kamerun |
| Yaoundé | Yaoundé |
| yap | žvanit |
| Yaqob of Ethiopia | Jakub |
| Yarborough | Pláž |
| yard | dvorek |
| yard glass | tři stopy vysoká sklenice na jeden yard piva |
| yard goods | metrové zboží |
| yard grass | pěstěný trávník |
| yard line | yardová linie |
| yard marker | značka yardu |
| yard measure | pravítko |
| yard sale | garážový prodej |
| yardage | délka v yardech |
| yardarm | část lodi |
| yardman | dělník na venkovní práce |
| yardmaster | posunovač na nadraží |
| yards | yardy |
| yardstick | měřítko |
| yardsticks | měřítka |
| Yaren | hl.m. - Nauru |
| Yarkand River | Jarkend |
| Yarkovsky effect | Jarkovského efekt |
| yarmelke | židovská pokrývka hlavy |
| yarmulke | kipa |
| yarn | vlákno |
| yarns | vlákna |
| Yaroslav Stetsko | Jaroslav Stecko |
| Yaroslavl | Jaroslavl |
| Yaroslavsky Rail Terminal | Jaroslavské nádraží |
| yarrow | řebříček |
| Yasawa Islands | Souostroví Yasawa |
| Yasenevo | Jaseněvo |
| yashmak | niqáb |
| Yashodhara | Jasódhara |
| Yasser Arafat | Jásir Arafat |
| Yasunari Kawabata | Jasunari Kawabata |
| Yasuo Fukuda | Jasuo Fukuda |
| yataghan | jatagan |
| Yatcht | Lov |
| Yates | Yates |
| yaUmgU | ZmyMgu |
| Yauza River | Jauza |
| Yavanna | Yavanna |
| yaw | odchýlení |
| yawl | jola |
| yawn | otvor |
| yawner | zívající osoba |
| yawning | zívání |
| yawningly | zívavě |
| yaws | infekční tropická nemoc |
| yay | hurá |
| Yayoi period | Období Jajoi |
| Yazd | Jazd |
| Yazd Province | Jazd |
| Yb | Ytterbium |
| YBYSA | You Bet Your Sweet Ass |
| YCbCr | YCbCr |
| YCLIU | You Can Look It Up |
| ye | vy |
| yea | ano |
| Yeager | Yeager |
| yeah | ano |
| year | rok |
| year before last | předloni |
| year of studies | ročník |
| Year of the Four Emperors | Rok čtyř císařů |
| year old | letý |
| year-end | konec finančního roku |
| year-on-year | meziroční |
| year-round | celoročně |
| yearbook | ročenka |
| yearling | jednoleté zvíře |
| yearlong | roční |
| yearly | roční |
| yearn | toužit |
| yearn for | toužit po |
| yearned | toužený |
| yearning | touha |
| yearningly | toužebně |
| yearnings | touhy |
| Years | Rok |
