There are several names for the number 0 in different languages.

LanguageName and pronunciation or transliterationNotes
Arabicصفر (sifr)
ChineseLook up in Wiktionary, the free dictionary. The character 零 (pinyin: líng) means "zero" in Chinese, although 〇 is also common. Etymologically 零 is an onomatopoeic word for "light rain". The upper part of the character is 雨, meaning "rain", and the lower part is 令 (lìng), for the sound.
Czechnula
Dutchnul /nyl/
EnglishzeroThere are many other names
Frenchzéro /zeʁo/
GermanNull/nullWhether or not the first letter of number names is capitalized –like all nouns are– depends on the sense in which they are used.
Greekμηδέν /miːðɛn/Literally meaning "not even one"
Gujaratiશૂન્ય (Śūn'ya)
Haitian Creolezewo
Hindiशून्य
Hebrewאֶפֶס (efes)
Indonesiannol /nɔl/Adopted from the Dutch word nul. In addition, people often pronounce it as "kosong" /kɔsɔŋ/, literally meaning 'empty', when spelling telephone numbers.
Japanese零 (read rei)The character 零 (read rei) means "zero" in Japanese, although 〇 is also common. However, in common usage, ゼロ/ぜろ (read zero) is preferred, as it is a direct adaptation of the English equivalent.
Kannadaಸೊನ್ನ (sonne)
KoreanKorean:영;Hanja:零;RR:yeong or Korean:공;Hanja:空;RR:gong
Lojbanno
Malayalamപൂജ്യം (poojyam)
Polishzero /'zɛɾɔ/
Portuguesezero /zɛɾu/
Romanianzero
Russianноль
Spanishcero
Tamilசுழியம் (sūḻiyam), பூஜ்ஜியம் (poojyam), or சைவர் (saivar)
Teluguసున్న or ౦ (sunna)
Turkishsıfır
Ukrainianнуль