Afrikaans – Ek is lief vir jou

Albanian – te dua

Arabic – Ana Ahebak / Ana Bahibak

Armenian – yes kez shat em siroom

Assyr- Az tha hijthmekem

Alentejano(Portugal) – Gosto De Ti, Porra!

Bahasa Malayu – (Malaysia) Saya cinta mu

Basque – Maite Zaitut

Bengali – Ami Tomake Bahlobashi

Bavarian – I mog di

Bisaya – Nahigugma ko nimo

Bosnian – Ja te volim (formally) or volim-te

Bulgarian – Obicham te

Bulgarian – Obicham te

Burmese- chit pa de

Cantonese – Ngo Oi Nei

Chinese – gnoy oy na
Goi Oi Lei (Hongkong)
Wa Ai Li (Taiwan)

Cambodian – Bon sro lanh oon

Catalan – T’estim (mallorcan)

Croatian – LJUBim te

Czech – miluji te

Danish- Jeg elsker dig

Dutch – Ik hou van jou

English – I love you

Esperanto – Mi amas vim

Estonian – Ma armastan sind / Mina armastan sind (formal)

Farsi – Tora dust midaram

Filipino – Mahal ka ta

Finnish – Minä rakastan sinua

French – Je t’aime

Gaelic – Tá mé i ngrá leat

German – Ich liebe Dich

Greek – S’agapw

Greenlandic – Asavakit

Gujrati – Hoon tane pyar karoochhoon

Hawaiian – Aloha wau ia ‘oe

Hebrew – Ani ohevet ota

Hindi – Main tumsey pyaar karta hoon / Maine Pyar Kiya

Hmong – Kuv Hlub Koj

Hungarian – Szeretlek

Hokkien – Wa ai lu

Hopi – Nu’ umi unangwa’ta

Icelandic – Eg elska thig

Indonesian – Saya cinta padamu

Italian – ti amo

Indian – Mai tumase pyar karata hun (male to female) Mai tumase pyar karati hun (female to male)

Irish – taim i’ ngra leat

Japanese – Aishiteru

Javanese – Kulo tresno marang panjenengan (formal)
aku terno kowe (informal)

Kapangpangan – Kaluguran daka.

Korean – SA LANG HAE / Na No Sa Lan Hei

Kurdish – Khoshtm Auyt

Laos – Chanrackkun

Latin – Ego te amo

Latvian – Es mîlu Tevi

Lithuanian – As Myliu Tave

Lebanese – Bahibak

Lingala – Nalingi yo

Lojban – mi do prami

Luo – Aheri

Macedonian – Te sakam

Mandarin – Wo Ai Ni

Malteese – Inhobbok hafna

Malay – Saya cintakan mu / Saya cinta mu

Norwegian – Jeg elsker deg

Persian – Tora Doost Darem

Pig Latin – I-yea Ove-lea Ou-yea

Polish – Kocham Cie

Portuguese – Eu te amo (Brazilian)
Eu amo-te (continental)

Punjabi – me tumse pyar ker ta hu’

Romanian – Te iubesc

Russian – Ya tebya liubliu

Serbo-Croatian – Volim te

Sign language -
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\                    /

Slovenian – ljubim te

Swedish – Jag älskar dig

Swiss German – Ch-ha di gärn

Spanish – Te quiero / te amo / yo amor tu

Swahili – Naku penda

Tagalog – Mahal Kita / Iniibig kita

Tamil – Naan Unnai Khadalikkeren

Telugu – Nenu Ninnu Premisthunnanu

Thai – Khao Raak Thoe / chun raak ter

Turkish – seni seviyorum

Ukranian – Yalleh blutebeh / ya tebe kohayu

Urdu – Mea tum se pyaar karta hu ( when a guy says it)
Mea tum se pyar karti hu (when a gal says it)

Vietnamese – Toi yeu em

Vulcan – Wani ra yana ro aisha

Yugoslavian – Ya te volim

Zazi – Ezhele hezdege

Zulu – Mena Tanda Wen

from: http://www.lovefatedestiny.com/iloveyouindifferentlanguages.htm