1000M (formerly referred to as 1000 South Michigan) is a skyscraper planned for Chicago, Illinois in the Historic Michigan Boulevard District portion of Michigan Avenue in the Loop community area of Chicago.

It is designed by Helmut Jahn. It is planned as a 74-story, 832-foot (253.6 m) tall residential condominium tower located at 1000 South Michigan Avenue that is being developed by Time Equities, Inc., JK Equities and Oak Capitals. The 323-unit building will include one to four bedroom luxury condominiums.