Meridian Street is the primary north-south street in Indianapolis, Indiana, United States.
US 31 formerly ran along North Meridian Street for much of its length in the city of Indianapolis, before being re-routed to a segment of Interstate 465. Meridian Street serves as the axis separating east addresses from west addresses, and intersects Monument Circle and Washington Street in downtown. North of downtown, Meridian continues through several prominent city neighborhoods, such as the Midtown commercial district, the Old Northside, Herron-Morton, Butler–Tarkington, Meridian-Kessler, and Arden, as well as the towns of Meridian Hills and Williams Creek.
North of 40th Street to 57th Street, Meridian Street is considered to be among the most prestigious residential streets in Indiana. Some of the most impressive residential architecture in the United States can be found here, in a variety of architectural styles. The current Governor's Mansion can be found here, as well as the house that served as Governor's Mansion prior to the current house.
North of Indianapolis, Meridian Street continues into the suburbs of Carmel and Westfield.