Big Sister may refer to:
- An older sister, see birth order
- Big Sister (brothel), an online brothel in Prague
- "The Big Sister" (Dexter's Laboratory), an episode of Dexter's Laboratory
- "Big Sister," a song by Elvis Costello and the Attractions from Trust
- Big Sister's Island, one of the Sisters' Islands of Singapore
- Big Sisters, part of the Big Brothers, Big Sisters program
- Big Sister (radio), a United States radio soap opera
- Big Sister, an enemy type in the game BioShock 2
- Big Sis, a nickname for Secretary of Homeland Security Janet Napolitano
- The Big Sister (film), a lost 1916 American drama silent film
- Big Sister (foods), a brand of fruit cake and other baked goods in Australia
See also
Search for "big sister" on Misplaced Pages.- Grande Soeur (French: Big Sister), Seychelles; an island
- All pages with titles beginning with Big Sister
- All pages with titles containing Big Sisters
- All pages with titles containing Big Sister
- Big (disambiguation)
- Sister (disambiguation)
- Little Sister (disambiguation)
- Big Brother (disambiguation)
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