How can I help you? I'd like to know who the world's tallest man is? Robert Wadlow is the world's tallest man at 8 feet 11 inches. Is he living ? Robert Wadlow died on July 15, 1940. Do you know who the world's tallest man is that is currently living? Sultan Ksen is 8 feet 2.8 inches tall and currently still living. Ok thanks Is there anything else I can help you with? No that's all Have a wonderful day!