European Languages:
* French: héros (masculine), héroïne (feminine)
* Spanish: héroe (masculine), heroína (feminine)
* Italian: eroe (masculine), eroina (feminine)
* German: Held (masculine), Heldin (feminine)
* Portuguese: herói (masculine), heroína (feminine)
* Russian: герой (geroĭ, masculine), героиня (geroīnya, feminine)
* Polish: bohater (masculine), bohaterka (feminine)
* Czech: hrdina (masculine), hrdinka (feminine)
* Hungarian: hős (masculine), hősnő (feminine)
* Swedish: hjälte (masculine), hjältinna (feminine)
* Danish: helt (masculine), heltinde (feminine)
* Dutch: held (masculine), heldin (feminine)
* Finnish: sankari (masculine and feminine)
Asian Languages:
* Japanese: 英雄 (eiyū)
* Chinese (Mandarin): 英雄 (yīngxióng)
* Korean: 영웅 (yeongung)
* Hindi: नायक (nayak)
* Arabic: بطل (baṭal)
* Vietnamese: anh hùng (anh hung)
Other Languages:
* Latin: heros (masculine), heroina (feminine)
* Greek: ήρωας (hērōas, masculine), ηρωίδα (hērōida, feminine)
* Hebrew: גיבור (gibor, masculine), גיבורה (givora, feminine)
* Turkish: kahraman
Please note that some languages have separate words for male and female heroes.
This is just a small sample of languages. There are many other languages that have their own words for "hero"!