Marion is the name of a city in the Australian State of South Australia: see Marion, South Australia.
Marion is also the name of a number of places in the United States of America, many of which are named for General Francis Marion:
- Marion, Alabama
- Marion, Arkansas
- Marion, Illinois
- Marion, Indiana
- Marion, Iowa
- Marion, Kansas
- Marion, Massachusetts
- Marion, New York
- Marion, North Carolina
- Marion, Ohio
- Marion, South Carolina
- Marion, Texas
- Marion, Virginia
- Marion, Wisconsin
- Marion County, Alabama
- Marion County, Arkansas
- Marion County, Georgia
- Marion County, Indiana
- Marion County, Iowa (Only possibly named for Francis Marion. It could have been named instead for a local pioneer)
- Marion County, Kansas (not named directly for General Francis Marion, but for Marion County, Ohio, and therefore only indirectly named for him)
- Marion County, Ohio
- Marion Township, Michigan
- Marion Township, Pennsylvania
"Marion" is also a part of the name of:
- Marion Center, Pennsylvania
- Marion Station, Maryland