English - I love you
Afrikaans - Ek het jou lief
Albanian - Te dua
Arabic - Ana behibak (to male)
Arabic - Ana behibek (to female)
Armenian - Yes kez sirumen
Bambara - M'bi fe
Bangla - Aamee tuma ke bhalo aashi
Belarusian - Ya tabe kahayu
Bisaya - Nahigugma ako kanimo
Bulgarian - Obicham te
Cambodian - Soro lahn nhee ah
Cantonese Chinese - Ngo oiy ney a
Catalan - T'estimo
Cheyenne - Ne mohotatse
Chichewa - Ndimakukonda
Corsican - Ti tengu caru (to male)
Creol - Mi aime jou
Croatian - Volim te
Czech - Miluji te
Danish - Jeg Elsker Dig
Dutch - Ik hou van jou
Elvish (from The Lord of The Rings, by J.R.R. Tolkien)- "Amin mela lle" (thanks Becca!)
Esperanto - Mi amas vin
Estonian - Ma armastan sind
Ethiopian - Afgreki'
Faroese - Eg elski teg
Farsi - Doset daram
Filipino - Mahal kita
Finnish - Mina rakastan sinua
French - Je t'aime, Je t'adore
Frisian - Ik hâld fan dy
Gaelic - Ta gra agam ort
Georgian - Mikvarhar
German - Ich liebe dich
Greek - S'agapo
Gujarati - Hoo thunay prem karoo choo
Hiligaynon - Palangga ko ikaw
Hawaiian - Aloha Au Ia`oe (Thanks Craig)
Hebrew - Ani ohev otah (to female)
Hebrew - Ani ohev et otha (to male)
Hiligaynon - Guina higugma ko ikaw
Hindi - Hum Tumhe Pyar Karte hae
Hmong - Kuv hlub koj
Hopi - Nu' umi unangwa'ta
Hungarian - Szeretlek
Icelandic - Eg elska tig
Ilonggo - Palangga ko ikaw
Indonesian - Saya cinta padamu
Inuit - Negligevapse
Irish - Taim i' ngra leat
Italian - Ti amo
Japanese - Aishiteru
Kannada - Naanu ninna preetisuttene
Kapampangan - Kaluguran daka
Kiswahili - Nakupenda
Konkani - Tu magel moga cho
Korean - Sarang Heyo
Latin - Te amo
Latvian - Es tevi miilu
Lebanese - Bahibak
Lithuanian - Tave myliu
Luxembourgeois - Ech hun dech gäer (Thanks Nadine! x2)
Malay - Saya cintakan mu / Aku cinta padamu
Malayalam - Njan Ninne Premikunnu
Mandarin Chinese - Wo ai ni
Marathi - Me tula prem karto
Mohawk - Kanbhik
Moroccan - Ana moajaba bik
Nahuatl - Ni mits neki
Navaho - Ayor anosh'ni
Norwegian - Jeg Elsker Deg
Pandacan - Syota na kita!!
Pangasinan - Inaru Taka
Papiamento - Mi ta stimabo
Persian - Doo-set daaram
Pig Latin - Iay ovlay ouyay
Polish - Kocham Ciebie
Portuguese - Eu te amo
Romanian - Te iubesc
Russian - Ya tebya liubliu
Scot Gaelic - Tha gra\dh agam ort
Serbian - Volim te
Setswana - Ke a go rata
Sign Language - ,\,,/ (represents position of fingers when signing'I Love You')
Sindhi - Maa tokhe pyar kendo ahyan
Sioux - Techihhila
Slovak - Lu`bim ta
Slovenian - Ljubim te
Spanish - Te quiero / Te amo
Swahili - Ninapenda wewe
Swedish - Jag alskar dig
Swiss-German - Ich lieb Di
Surinam - Mi lobi joe
Tagalog - Mahal kita
Taiwanese - Wa ga ei li
Tahitian - Ua Here Vau Ia Oe
Tamil - Nan unnai kathalikaraen
Telugu - Nenu ninnu premistunnanu
Thai - Chan rak khun (to male)
Thai - Phom rak khun (to female)
Turkish - Seni Seviyorum
Ukrainian - Ya tebe kahayu
Urdu - mai aap say pyaar karta hoo
Vietnamese - Anh ye^u em (to female)
Vietnamese - Em ye^u anh (to male)
Welsh - 'Rwy'n dy garu di   
Yiddish - Ikh hob dikh
Yoruba - Mo ni fe

HELLO

Arabic  Marhaba 

Azerbaijani  Salaam aleihum 

Burmese  Min ga la baa 

Cambodiam  Joom reab suor 

Cherokee  Osiyo 

Chinese  Nei hou ma, Ni hao 

Croatian  Bok 

Czech  Ahoj 

Danish  Goddag, Hejsa 

Dutch  Hallo, Goeiendag 

English  Hello, G'day 

Farsi  Salaam 

Finnish  Heippa, Moi 

French  Bon jour 

German  Guten tag 

Greek  Geia sou 

Hawaiian  Aloha 

Hebrew  Shalom, Ma nishma 

Hindi  Namaste 

Hmong  Nyob zoo 

Hungarian  Sziasztok 

Indonesian  Selamat hari, Apa kabar 

Inuit  Kutaa 

Irish Gaelic  Dia duit 

Italian  Ciao 

Japanese  Konnichiwa, Ohayo 

Korean  Ahnyong 

Lahu  Cheh shala 

Lao  Sa bai dii 

Latin  Salve 

Latvian  Sveiki 

Lisu  Ali nga 

Lithuanian  Labas 

Luxembourgish  Moien 

Macedonian  Zdravo 

Malagasy  Manao ahoana 

Mohawk  Kwe 

Mandinka  Kayira be 

Maori  Kiaora 

Mongolian  Sain bainu 

Nepali  Namaste 

Pao  Na aw hsaw ha 

Pidgin english  Gude 

Polish  Dzien dobry 

Romanian  Salut 

Russian  Privet 

Serbian  Zdravo

Slovenian  Zdravo 

Spanish  Hola 

Swahili  Jambo 

Swedish  Hej 

Tagalog  Halo, Mabuhay 

Tamil  Vanakkam, Nalama 

Thai  Sawat dii 

Ukrainian  Privit, Dobri den 

Urdu  Adaab 

Vietnamese  Chao 

Welsh  Dydd da 

Xhosa  Molo 

Zulu  Moeo 

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