Hello how may I help you? Who is the tallest person in the world? Do you mean the tallest living person or the tallest person of all time? Currently living Sultan Posen is the tallest person living and he is 8ft 2.8 inches. *Sultan Kosen Great! Thank you Anything else, I'm here to help? That's all for now Alright. Enjoy your day? Thank you. Will try You too Don't try, Do have a good day.