Bay Area most commonly refers to the San Francisco Bay Area, the urban area surrounding the San Francisco Bay in Northern California.
Bay Area may also refer to:
- Guangdong–Hong Kong–Macao Greater Bay Area, an area around Guangdong, Macau and Hong Kong
- Monterey Bay Area, an area around Monterey Bay, California
- Tampa Bay area, an area around Tampa Bay, Florida
- Galveston Bay Area, an area around Galveston Bay, Texas
- Traverse Bay Area, an area around Grand Traverse Bay, Michigan