A Listings:
Afrikaans (South Africa) -- Welkom
Albanian (Albania, Yugoslavia) -- Mire Se Vijni
Arabic -- Merhaba or Salaam or Marhaban
Armenian [Formal] -- Pari Yegak or [Informal] -- Pari Yegas
Aruban -- Bon Bini
Ashanti (Ghana) -- Akuaba
Asturian (Spain) -- Afayaivos
Australian -- G'day or Ow-ya-going-mate?
Aymara (Bolivia, Peru, Chile) -- Purintaxa

B Listings:
Basque (Spain, France) -- Ongi Etorria or Ongi Etorriak
Basque -- Ongi Etorri or Untsa Jin
Bella Coola Indian -- Yaw
Bengali (India, Bangladesh) -- Shagatom
Bhasa Indonesian -- Selamat Datang
Breton (France) -- Degemer Mat Deoc'h

C Listings:
Cambodian -- Cumpriap-sua
Catalan (Spain, France) -- Benvinguts
Catalonian -- Benvingut!
Chinese -- Huan Ying or Tsao An or Huan Yin
Chinese (Cantonese) -- Foon Ying
Chinese (Mandarin) -- Wei or Huaning
Choctaw [Come In] -- Ant Chukoa
Classical Greek -- Chaire!
Cook Islands -- Kia Orana
Croatian (Croatia, Bosnia) -- Dobrodosli
Czech -- Nazdar or Vitame Vas

D Listings:
Dakota [Sioux] -- Hau Koda
Danish -- God Dag or Velkommen
Djabugay (Australia) -- Djirri-nyurra
Dutch -- Welkom or Groeten

E Listings:
English (America, Britain) -- Welcome
English [Old English] (Old Britain) -- Wilcume
Eskimo -- Khanog-illinga-vet
Estonian (Estonia) -- Tere Tulemast

F Listings:
Filipino -- See Tagalog
Finnish -- Tervetuloa or Terveiset
Flemish -- See Dutch
French -- Bienvenue or Bonjour
Friulan (Italy) -- Bénvnuwe

G Listings:
Gaelic -- Failte
Galician (Spain) [To Male] -- Benvido
Galician (Spain) [To Female] -- Benvida
German -- Willkommen or Herzliche Grusse or Guten Tag
Greek -- Kalos Orisate or Geissas or Kalos Ime Ra
Greek -- Kaloste or Kalos Erthetai
Guamanian -- Hafa Dai
Guarani (Paraguay) -- Tapeguahê Porãite
Gungari (Australia) -- Gnunha Yinda Murdi
Guugu Yimithirr (Australia) -- Ngauthaan-thirr, Gadiiwawu-wi

H Listings:
Hausa -- Lafia or Barka Da Zuwa or Sannu Da Zuwa
Hawaiian -- Malolelei or E Komo Mai! or Aloha
Hebrew -- Barukh Habayim or Brukhim Ha-ba' Im
Hebrew -- Shalom
Hindi (India, Sth Asia, Suriname) -- Aayiye
Hungarian (Hungary) [Formal] -- Isten Hozta
Hungarian (Hungary) [Informal] -- Isten Hozott or Jo Nap

I Listings:
Icelandic -- Velkomin
Indonesian -- Baik Hari or Selamat Datang
Interlingua (Constructed) -- Benvenite
Iranian -- Salam Ale Kom
Irish -- Dia Is Muire Duit or La Breas or Failte!
Italian -- Benvenuto or Benvenuti or Buon Giomo

J Listings:
Japanese -- Irashaimasu or Youkoso or Konnichiwa
Japanese -- Yoku Irasshaimashita or Irasshamase
Jirrbal (Australia) -- Nginda Wnyjangum

K Listings:
Kala Lagaw Ya (Australia) -- Sew Ngapa
Kanienkehaka [Mohawk] -- She:kon
Kannada (India) -- Banni
Karelian (Russia, Finland) -- Terveh Tulgua
Konkani (India) [Honorific] -- Yeyachi
Konkani (India) [Non-honorific] -- Yo
Korean -- Hwangyeonghamnida or Usoe Oseyo or Annyng-hashibnika

L Listings:
Lou
Ladino (Spain) -- Bienvenida
Lappish -- See Sami
Latin -- Salve!
Latvian -- Esiet Sveicinati Sveican or Lobdien
Lithuanian -- Labas

M Listings:
Maltese (Malta) -- Merhba
Mampruli (Ghana) -- Gyaari
Manx (Britain) -- Failt
Maohi (South Pacific) -- Maeva
Maori -- Kia Ora or Haere Mai
Maya -- See Yucatec Maya
Meriam Mir (Australia) -- Maiem
Mohawk -- See Kanienkehaka
Moldavian (Moldova) -- Bien Ati Veni
Muslim -- As-Salaam-Alaykum

N Listings:
Náhuatl [Aztec] -- Ahuiyacan
Navajo -- Yatahee
Norwegian -- Velkommen or Hilsener or Godday

P Listings:
Papiamentu (Dutch Antilles) -- Bon Bini
Philipino -- Maligayang Pagdating
Pidgin English -- See Tok Pisin
Polish -- Zyezenia or Dobrze Dzien
Polish [By One Person] -- Witam
Polish [By Several People] -- Witamy
Portuguese -- Sandacoes or Bon Dia or Bem-vindo! or Seja Benvindo
Potowatomi -- Bozho

R Listings:
Romany (Gypsy) -- Mishto Avilan!
Rumanian -- Bun Zi
Russian -- Sprivetom or Zdravstvuite or Dobro Pozhalovat'

S Listings:
Sami [Lappish] (Scandinavia) -- Bures Boahtin or Buerie Biejjie
Samoan -- Talofa
Scots (Scotland) -- Walcum
Scottish Gaelic (Scotland) -- Fàilte
Sepedi [Sotho] (S Africa) [Noun] -- Kamogelo
Sepedi [Sotho] (S Africa) [Verb] -- Amogela
Serbian (Serbia, Bosnia) -- Dobrodosli
Serbo-Croatian -- Dobro Nam Dosli
Sesotho (Lesotho, S Africa) [Noun] -- Kamohelo
Sesotho (Lesotho, S Africa) [Verb] -- Amohela
Setswana (Botswana) [Noun] -- Kamogelo
Setswana (Botswana) [Verb] -- Amogela
Sierra Leone -- Padi Koosheh
Sioux -- See Dakota
Slovenian (Slovenia) -- Dobrodosli or Pozdravljeni
Society Islands {Society Islands} -- Iaorana
Southern Usa -- Hi Ya'll!
Spanish -- Bienvenidos or Bienvenido! or Muy Buenas
Swahili -- Salamu or Ema Siku or Karibu
Swedish -- Välkommen
Swedish -- Halsningar or Valkommen
Swiss German -- Gruetzi

T Listings:
Tagalog (Philippines) -- Tuloy Po Kayo or Mabuhay
Tahitian (Tahiti) -- Maeva
Tatar (Russia) -- Hush Kildegez
Thai -- Yin Dee or Sawasdee or Sa Waht Dee Krahp or Sau Wau Dee
Tibetan (Tibet ) -- Chaa-phe Nang
Tok Pisin (Papua New Guinea) -- Mipela Welkam Yupela
Tonga (Tonga) -- Malo E Lelei
Torrese Strait (Australia) -- Maiem
Tulu (India) -- Balle
Turkish -- Merhaba or Yeni Yiliniz Kutlu Olsun or Hos Geldiniz

U Listings:
Ukrainian -- Bitaemo
Urdu -- Salaam O Aleikum

V - W - X -Y & Z Listings:
Vietnamese -- Chao
Welsh -- Croeso!
Xhosa (South Africa) [Verb] -- Amkela
Xhosa (South Africa) [Noun] -- Ulwamkelo
Yiddish -- Gut Tog
Yoruba (W Africa) [Honorific] -- E Kaabo
Yoruba (W Africa) [Non-honorific] -- O Kaabo
Yucatec Maya (Mexico, Guatemala) -- Tistik
Yugambeh (Australia) -- Jingiwalli Wahlu
Yugoslavian -- Kako Ti
Zapotec (Mexico) -- Guens Sa Bisui Yubtu or Gashlee
Zulu (South Africa) [Noun] -- Ukwemukela
Zulu (South Africa) [Verb] -- Emukela