Williams Creek is a town in Washington Township, Marion County, Indiana, United States.

It is part of Indianapolis, but retains a functioning town government under IC 36-3-1-11.

[6] Williams Creek was originally planned as an exclusive community for the wealthy in 1925, and it was incorporated as a town in 1932.

It is bordered to the southwest by a stream, also named Williams Creek, that flows to the southeast to join the White River in Marott Park.

[8] The creek also serves as the town border with Meridian Hills to the southwest.

According to the U.S. Census Bureau, Williams Creek has a total area of 0.33 square miles (0.85 km2), all land.

None of the families and 1.2% of the population were living below the poverty line, including no under eighteens and none of those over 64.