I Love You In Different Languages - Offers a list on how to say I Love You in different languages.

Afrikaans : Ek is lief vir jou
Ek het jou lief

Albanian : Te dua

Amharic : Afekrishalehou

Arabic : Ana Behibak (to a male)
Ana Behibek (to a female)

Basc : Nere Maitea

Bavarian : I mog di narrisch gern

Bicol : Namumutan ta ka

Bulgarian : Obicham te

Cambodian : kh_nhaum soro_lahn nhee_ah

Bon sro lanh oon Cantonese : Ngo oi ney

Catalan : T'estim (mallorcan)

T'estime (valencian)

T'estimo (catalonian) T'estim molt (I love you a lot)

Chinese : Wo ie ni (Manderin, Cantonese)

Croatian : Volim te (most common), or Ja te volim (less common)

Czech : miluji te

Danish : Jeg elsker dig

Dutch : Ik hou van jou

Estonian : Mina armastan sind

Esperanto : Mi amas vin

Flemish : Ik zie oe geerne

Finnish : Mina" rakastan sinua

French : Je t'aime

Friesian : Ik bin fereale op dy
Ik ha^ld fan dy

Persian (Farsi) : Tora dust midaram

Gaelic : Ta gra agam ort

I mog Di ganz arg! (Suebian: South German dialekt.)

Greek : S' ayapo

Gujarati : Tane Prem Karoo Choo

Hausa : Ina sonki

Hebrew : aNEE oHEIVET oTKHA (female to male)
aNEE oHEIV otAKH (male to female)

Ani ohev at (man to woman) Ani ohevet atah (woman to man)

Hokkien : Wa ai lu

Hopi : Nu' umi unangwa'ta

Hungarian : Szeretlek te'ged

Icelandic : ?g elska ßig

Indonesian : Saya cinta padamu
Saya Cinta Kamu
Aku tjinta padamu
Saja kasih saudari

Italian : Ti amo

Irish : taim i' ngra leat

Japanese : Kimi o ai shiteru

Kazakh : Men seny jaksy kuremyn

Kiswahili : Nakupenda

Korean : Tangsinul sarang ha yo

Kurdish : Ez te hezdikhem

Latin : Te amo
Vos amo

Lao : Khoi huk chau

Latvian : Es Tev milu

Lingala : Nalingi yo

Lithuanian: Ash miliu tave

Luo : Aheri

Madrid lingo : Me molas, tronca

Malay/Indonesian : Saya cintakan awak

Aku sayang engkau

Malay : Saya cintamu

Maltese: Inhobbok!

Bulgarian : Obicham te

Mandarin : Wo ai ni

Mohawk : Konoronhkwa

Navajo : Ayor anosh'ni

Ndebele : Niyakutanda

T'estimo (catalonian) T'estim molt (I love you a lot)

Persian : Tora dost daram

Pilipino : Mahal Kita

Iniibig Kita

Polish : Ja Cie Kocham or Kocham Cie

Portuguese : Eu te amo

Romanian : Te iu besc

Russian : Ya lyublyu tebya

Ya vas lyublyu

Scot Gaelic : Tha gradh agam ort

Serbian : Volim te (most common), or Ja te volim

Shona : Ndinokuda

Sioux : Techihhila

Slovak : lubim ta

Slovene : ljubim te

Spanish : Te amo

Swahili : Nakupenda

Swiss-German : Ch'ha di ga"rn

Tagalog : Mahal kita

Taiwanese : Gwa ai lee

Tamil Naan Unnai Kadhalikiren

Thai : Phom Rak Khun

Ch'an Rak Khun

Turkish : Seni seviyorum!

Urdu : Mujhe tumse muhabbat hai

Vietnamese : Anh ye^u em (man to woman)

Em ye^u anh (woman to man)

Toi yeu em

Vlaams : Ik hou van jou

Welsh : 'Rwy'n dy garu di.

Yr wyf i yn dy garu di (chwi)

Yiddish : Ikh hob dikh lib

Zazi : Ezhele hezdege

Zuni : Tom ho' ichema