Inner Harbor or Inner Harbour may refer to:

• Inner Harbor (Antarctica)

• Inner Harbour ferry services, Sydney, New South Wales
• Inner Harbour, Fremantle Harbour, Western Australia
• Inner Harbour, Port River, Port Adelaide, South Australia

• Inner Harbour of Victoria Harbour, British Columbia
• Inner Harbour of Toronto Harbour
• Inner Harbour, Kingston, Ontario

• Haikou New Port, Hainan, formerly called Inner Harbour

• Inner Harbour, Copenhagen, the oldest and most central part of the Port of Copenhagen

• Duisburg Inner Harbour

• Inner Harbor Navigation Canal, New Orleans, Louisiana
• Inner Harbor, Baltimore, Maryland
  • Inner Harbor East, Baltimore, Maryland
• Boston Inner Harbor, Boston Harbor, Massachusetts
• Inner Harbor, Syracuse, New York