Mads Johansen Lange, nicknamed King of Bali, (18 September 1807, Rudkøbing, Denmark – 13 May 1856, Kuta, Bali) was a Danish trader, peace maker on Bali, knight of the Order of the Netherlands Lion and recipient of the Danish gold medal of achievement. He was the son of Lorents Lange Pedersen and Maren Lange, a merchant and a merchant's daughter respectively.