South Down may refer to:

• South Down (Assembly constituency), for the Northern Ireland Assembly
• South Down (Northern Ireland Parliament constituency)
• South Down (UK Parliament constituency)
• South Down GAA, hurling team

• Southdown (disambiguation)
• South Downs, England
• Down south (disambiguation)
• Electoral district of Southern Downs
• Arundel and South Downs (UK Parliament constituency)

This disambiguation page lists articles associated with the title South Down.
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