South Bay

South Bay may refer to:

In the United States:

• South Bay (San Francisco Bay Area), subregion of the San Francisco Bay Area
• South Bay, Los Angeles, region of Los Angeles County
• South Bay, former name of Fields Landing, California
• South Bay, San Diego, region of San Diego County
• South Bay, Florida, city in Florida
• South Bay (Boston), filled-in former bay in Boston, Massachusetts
• South Bay, Boston, planned development in Boston, Massachusetts
• South Bay (Texas), bay in the Laguna Madre in Texas separated from the Gulf of Mexico by Brazos Island
• Great South Bay on Long Island, New York

In the People's Republic of China:

• South Bay, Hong Kong
• Nam Wan on Tsing Yi Island, Hong Kong ("Nam Wan" literally means South Bay)
• Tai Nam Wan on Tsing Yi Island, Hong Kong ("Tai Nam Wan" literally means Great South Bay)
• Nam Van on the Macau Peninsula, an artificial lake ("Nam Van" literally means South Bay)

In Canada:

• South Bay (Nunavut)

In Antarctica:

• South Bay (Doumer Island)
• South Bay (Livingston Island)