Williams Creek is an affluent town in Washington Township, Marion County, Indiana. It is located about 8 miles (13 km) north of downtown Indianapolis and is slightly northeast of the neighboring Town of Meridian Hills. Williams Creek was originally planned as an exclusive community for the wealthy in 1925, and it was incorporated as a town in 1932. The population was 407 at the 2010 census. It has existed as an "included town" since 1970, when it was incorporated into Indianapolis as part of Unigov. It is part of Indianapolis, but retains a functioning town government under IC 36-3-1-11.
Williams Creek remains an exclusive wooded residential enclave for the wealthy.
It was also where American writer Kurt Vonnegut's parents lived, when he wrote a letter home from Europe after surviving the bombing of Dresden as a POW.