South Bay

South Bay may refer to:

Antarctica

 * South Bay (Doumer Island)
 * South Bay (Livingston Island)
 * South Bay (Ross Island)

Canada

 * South Bay (Nunavut)
 * South Bay, New Brunswick
 * South Bay, Ontario

Hong Kong

 * South Bay, Hong Kong, on Hong Kong Island
 * Nam Wan ("South Bay"), on Tsing Yi Island, New Territories
 * Tai Nam Wan ("Great South Bay"), on Tsing Yi Island, New Territories

Macau

 * Nam Van ("South Bay"), on the Macau Peninsula, a former bay turned into an artificial lake

Taiwan

 * South Bay (Taiwan) on Henchun Township, Pingtung County

California

 * South Bay (San Francisco Bay Area), a region in northern California
 * South Bay (Los Angeles County), a region in southern California
 * South Bay (San Diego County), another region in southern California
 * South Bay (now Fields Landing, California), a census-designated place in Humboldt County

Florida

 * South Bay, Florida, a city

Massachusetts

 * South Bay Interchange, Boston, a cancelled development
 * South Bay, Dorchester, Boston, Massachusetts

New York

 * South Bay, New York
 * Great South Bay, on Long Island
 * Lower South Bay, New York, also called South Bay

Texas

 * South Bay (Texas), a bay in the Laguna Madre