Rocky Ripple is a town in Marion County, Indiana, United States. The population was 655 at the 2020 census. It was founded in 1927, and the town was incorporated as an "included town" as part of Unigov in 1970. It is part of Indianapolis, but retains a separate functioning town government under IC 36-3-1-11. Although not far from the city center, Rocky Ripple is a somewhat isolated area, located between the Central Canal and the White River; only two traffic-supporting bridges over the canal provide access to the town.

Marion County is located in the U.S. state of Indiana. The 2020 United States census reported a population of 977,203, making it the most populous county in the state and the 54th-most populous county in the U.S. Indianapolis is the county seat, the state capital, and most populous city. Marion County is consolidated with Indianapolis through an arrangement known as Unigov. Marion County is the central county of the Indianapolis–Carmel–Anderson MSA in Central Indiana.