ѡҹҪҵ
 
American Sign Language  :              __      (signed with right hand)
                        :  __         (  )
                        : (  )        |__|
                        : |__| __  __ |  |
                        : |  |(  )(  )|__|   __
                        : |__||__||__||  |  /  )
                        : |   (__)(__)   | /  /
                        : |              |/  /
                        : |              /  /
                        : \               /

Arabic           : ana behebak (I love you, masculine)
                        : ana behebik (I love you, feminine)
                        : Habibi   (My love, masculine)
                        : Habibity (My love, feminine)

Canadian French         : Sh'teme  (spoken, sounds like this)
                                           : Je t'aime   ("I like you")
                                           : Je t'adore  ("I love you")

Chinese        : Goa ai li     (Amoy)
                        : Ngo oi ney    (Cantonese)
                        : Wa ai lu      (Hokkien)
                        : Wo ai ni      (Mandarin)
                        : Wo ie ni        ( " )
                        : Wuo ai nee      ( " )
                        : Wo ay ni        ( " )
                        : Wo ai ni      (Putunghua)
                        : Ngo ai nong   (Wu)

Creol                   : Mi aime jou
 
Danish                : Jeg elsker dig

Dutch             : Ik hou van je
                        : Ik hou van jou
                        : Ik bemin je   (old fashioned)
                        : Ik bemin jou      ( " )
                        : Ik ben verliefd op je
                        : Ik ben verliefd op jou
                        : Ik zie je graag
 
English         : I love you
                        : I adore you

Esperanto          : Mi amas vin

French                    : Je t'aime   ("I like you")
                                  : Je t'adore  ("I love you")
French (formal)    : Je vous aime

Gaelic               : Ta gra agam ort

German (formal)         : Ich liebe Sie  (rarely used)
German                         : Ich liebe dich
                                         : Ich hab dich lieb (not so classic and conservative)
German dialects:
 Bayrisch               : I mog di  (right answer: "I di a")
 Berlinerish            : Ick liebe dir
 Berner-Deutsch         : Ig liebe di
 Bochumer               : Ich find dich geil
 Friesisch              : Ik hou fan dei (sp?)
 Hessisch               :
 Saarlndish       : Isch hann disch lieb
 Schsich0         : Isch liebdsch
 Schwbisch        :
 Schweizer-Deutsch      : Ch'ha di grn
 Vorarlbergerisch       : I stand total uf di

Greek                   : S'ayapo  (spoken "s'agapo", 3rd letter is lower case 'gamma')
Greek (old)             : (Ego) Philo su    ('ego', for emphasis)

Hawaiian                : Aloha i'a au oe
                                   : Aloha wau ia 'oe
Hebrew         : Anee ohev otakh     (male to female)
                        : Anee ohevet otkha   (female to male)
                        : Anee ohev otkha     (male to male)
                        : Anee ohevet otakh   (female to female)
                        ('kh' pronounced like Spanish 'j', Dutch 'g', or similiar to French 'r')

Italian            : Ti amo     (relationship/lover/spouse)
                        : Ti voglio bene  (between friends)
                        : Ti voglio  (strong sexual meaning, "I want you", refering to other person's body)

Irish                   : Taim i' ngra leat

Irish/Gaelic            : Mo ghra' thu'
 
Japanese    : Kimi o ai shiteru
                        : Aishiteru
                        : Chuu shiteyo
                        : Ora omee no koto ga suki da
                        : Ore wa omae ga suki da
                        : Suitonnen
                        : Sukiyanen
                        : Sukiyo
                        : Watashi wa anata ga suki desu
                        : Watashi wa anata wo aishithe imasu
                        : Watashi wa anata o aishitemasu
                        : A-i-shi-te ma-su
                        : Watakushi-wa anata-wo ai shimasu
                        : Suki desu (used at the first time, like for a start, when you are not yet real lovers)

Korean                  : Tangsinul sarang ha yo

Klingon         : SoHvaD vIghajtaH bang
                        : qaparHa'qu'taH  ("I like you!")

Latin               : Te amo
                        : Vos amo
Latin  (old)    : (Ego) Amo te   ('Ego', for emphasis)

Norwegian   : Jeg elsker deg  (Bokmaal)
                        : Eg elskar deg   (Nynorsk)
                        : Jeg elsker deg  (Riksmaal)

Phillipino              : Mahal kita
 
Pig Latin               : Ie ovele ouye

Russian        : Ya vas lyublyu        (old fashioned)
                        : Ya tyebya lyublyu         (best)
                        : Ya lyublyu vas        (old fashioned)
                        : Ya lyublyu tyebya
 

Scot Gaelic             : Tha gradh agam ort

Spanish        : Te amo
                        : Te quiero
                        : Te adoro   (I adore you)
                        : Te deseo   (I desire you)

Swedish       : Jag aelskar dig
                        : Jag a"lskar dig
                        : Jag :alskar dig

Thailand      : pom rak kun (ѡس) (Male)
                        : chan rak ter (ѹѡ)

Turkish         : Seni seviyorum (I love you)

                        : Senden hoslaniyorum (I like you)
                        : Seni istiyorum (I like you)
 
Vietnamese         : Anh ye^u em (male)

Vulcan                  : Wani ra yana ro aisha
 
Welsh           : Rwy'n dy garu di
                        : Yr wyf i yn dy garu di (chwi)
 
Yiddish         : Ikh hob dikh lib
                        : Ich libe dich
                        : Ich han dich lib