what is the language snake they speak in harry potter
The language of Snakes in Harry Potter is referred to as Parseltongue.
Check This Out: Nifty 'Harry Potter' Parseltongue Online Translator. Parseltongue, the language of snakes, is rarely spoken and even more rarely heard. It is a very uncommon skill, with Harry Potter and Lord Voldemort being the most well-known Parselmouths in the wizarding world.