Multiple choice general knowledge culture What is the ISO code of Hindi Language? HA HY HI HN Reveal answer Fill a bubble to check yourself C Correct answer Explanation The ISO 639-1 two-letter code for Hindi is 'hi' or HI. Hindi uses the first two letters of its name for its ISO code, which is a common pattern for many languages. The other options (HA, HY, HN) are not valid ISO codes for Hindi.