Here are some examples:

* Arabic: !ﻣﺮﺣﺑﺎ (Marhaba)
* Bengali: Kemon Achen (how are you), for answering telephone: "haelo"!
* Bulgarian: Здравейте! (For answering telephone: ало)
* Cambodian: Tchum-reaup Suw (use formal)
* Catalan: Hola! (friendly) - Bon dia! (formal)
* Simplified Chinese: 您好! (however, when answering the phone in Chinese, use 喂)
* Croatian: Bok! (or: Bog!)
* Czech: Ahoj!
* Dutch: Hallo!
* Esperanto: Saluton!
* Finnish: Terve! (formal) - Moi!/Hei! (friendly) - Haloo? (when answering the telephone)
* French: Salut! (informal) or bonjour! (formal) (For answering telephone: Allô?)
* German: Hallo!
* Gujarati (India):Kem Chho! (For answering telephone: Hello!)
* Modern Greek: Γειά!
* Hawaiian: Aloha!
* Hebrew: שלום (shalom) (For answering telephone: Allo?)
* Irish: Dia duit! (Reply is: Dia is Muire duit!)
* Italian: Ciao! (friendly) - Buongiorno! (formal) - Pronto? (for answering telephone)
* Japanese: もしもし (moshi-moshi, for answering telephone only)
* Kannada (South Indian): namaskaara or namasthe , for telephone: halloa
* Korean: 안녕하세요! (Annyeong haseyo!) or 여보세요? (yeoboseyo; answering telephone only)
* Kurdish (Kurdistan): sillaw or ew kata bash, or em kata bash, for telephone: elu
* Latin: Salve!, Ave!
* Lithuanian: Labas (For answering telephone: Alio?)
* Macedonian: Здраво! (For answering telephone: ало)
* Malay: Hai!
* Mongolian: Сайн уу!
* Māori: Tēnā Koe (Speaking to one person). Tēnā Kōrua (Speaking to two people). Tēnā Koutou (Speaking to three or more people).
* Norwegian: Hallo! - Hei! - Morn!
* Persian: درود (Doroud).
* Polish: Dzień dobry!, Cześć! (informal)
* Portuguese: Olá!, Oi! - Alô? (for answering telephone)
* Romanian: Salut! (friendly) - Bună ziua (formal) - "Alo" (for answering telephone)
* Russian: Привет! (however, when answering the phone, Russian speakers use "ало" or "алё", equivalent to English "Hello?")
* Serbian: Здраво!
* Sicilian: Sabbinirica!
* Slovakian: Ahoj!
* Slovenian: Zdravo!
* Spanish: ¡Hola! (friendly) - ¿Aló? or ¡Bueno! (for answering telephone in just in Mexico) - Buenos dias (formal)
* Swahili: Hujambo!
* Swedish: Hej!, Hallå!
* Tagalog: Hoy!, Helo! or Kumusta?
* Thai: สวัสดีครับ/คะ!
* Turkish: Merhaba! (salutation), Alo! (for answering telephone)
* Welsh:Cael rhyw efo fi (salutation), sugno fy mhidyn (for answering telephone)
* Urdu: !السلام عليكم (assalāmu 'aleikum)
* Vietnamese: Xin chào!