Common Names
- English: Bitter Apple
- Scientific Name: Citrullus colocynthis
 
Regional Names
- Hindi: इंद्रायण , तुम्बा (Indrain)
- Urdu: اندرائن (Indrain)
- Bengali: ইন্দ্রায়ণ (Indrayan)
- Punjabi: ਇੰਦਰਾਇਣ (Indrain)
- Tamil: இடராயன் (Idarayan)
- Telugu: ఇంద్రాయణ (Indrayana)
- Kannada: ಇಂದ್ರಾಯಣ (Indrayana)
- Malayalam: ഇന്ദ്രായണം (Indrayanam)
- Marathi: इंद्रायण (Indrayan)
- Gujarati: ઇન્દ્રાયણ (Indrayan)
- Odia: ଇନ୍ଦ୍ରାୟଣ (Indrayan)
- Assamese: ইন্দ্রায়ণ (Indrayan)
- Konkani: इंद्रायण (Indrayan)
 
International Names
- Arabic: حنظل (Hanzal)
- Persian (Farsi): هندوانه ابوجهل (Hendevāneh-ye Abū Jahl)
- Turkish: Acı Elma
- Swahili: Tikiti Mchungu
- Somali: Qajaar
- Malay/Indonesian: Apel Pahit
- Chinese: 苦苹果 (Kǔ píngguǒ)
- Japanese: ニガリンゴ (Nigaringo)
- Russian: Горькое яблоко (Gorkoye yabloko)
- Spanish: Manzana Amarga
- French: Pomme Amère
- German: Bitterapfel
- Italian: Mela Amara
- Portuguese: Maçã Amarga