Barbara Schwartz is the name of:

• Barbara Schwartz (artist) (1949–2006), American abstract artist and art teacher
• Barbara Schwartz (tennis) (born 1979), Austrian former tennis player

• Three Sieges of Kandahar
• Three Sisters (1970 Olivier film)
• Three Sisters (1988 film)
• Three Sisters (2012 film)
• Three Sisters (Alberta)
• Three Sisters Bridge (District of Columbia)
• Three Sisters (Drama)
• Three Sisters Important Bird Area
• Three Sisters (opera)
• Three Sisters (sternwheeler)
• Three Sisters, Three Queens
• Three Sisters (tomato)
• Three Sisters Who Share an Eye
• Three (Smack EP)
• Three Smart Girls Join Up
• Threesome (2017 film)
• Threesome (film)
• Threesome (song)
• Three Songs, 1918-19
• Three Songs, 1918–19
• Three Songs, 1926
• Three Songs (disambiguation)
• Three Songs (EP)
• Three Songs (Ireland)
• Three Songs to poems by Arthur Symons