Hello how may I help you? Hello, I want to know some information on some world records. What would you like to know? Can you tell me what the biggest snake ever was? Are you referring to the biggest individual snake or the biggest type of snake? I am referring to the biggest individual snake. The biggest snake is Medusa a reticulated python. Can you tell me how long it is? It is 25 feet 2 inches OK, thank you very much! Your welcome, have a good day.