Little South Pond is a 62-acre (250,000 m) reservoir in Plymouth, Massachusetts. The pond is within the Eel River watershed, located west of South Pond village, northwest of Great South Pond, and south of Billington Sea. The pond serves as the primary municipal water supply for the Town of Plymouth.

• Environmental Protection Agency
• "South Shore Coastal Watersheds - Lake Assessments" (PDF). (1.03 MiB)
• U.S. Geological Survey Geographic Names Information System: Little South Pond
• Eel River Watershed Improvement Group