Sofía Álvarez may refer to:

• Sofía Álvarez (actress, born 1913) (1913–1985), Mexican film actress and singer of Colombian origin
• Sofía Álvarez (actress, born 1958) (born 1958), Mexican actress and writer
• Sofía Espinoza Álvarez (born 1989), Mexican-American author, researcher, and advocate
• Sofía Álvarez Vignoli (1899–1986), Uruguayan jurist and briefly First Lady of Uruguay

• Blue Mountains, New South Wales
• Blue Mountains (Niger)
• Blue Mountains, Niger
• Blue Mountains (Nunavut)
• Blue mountains panther
• Blue Mountains railway line, New South Wales
• Blue Mountain State
• Blue Mountain Vineyard
• Blue Mouse
• Blue Mouse Theater
• Blue Movie (1971 film)
• Blue Movies
• Bluemull Sound
• Blue Murder at St. Trinians
• Blue Murder (disambiguation)
• Blue Murder (play)
• Blue Murder (TV series)
• Blue Murder (UK TV series)
• Blue Mussel
• Blue mussels
• Blue Mustang
• Blue mustard
• Blue naevus
• Blue nails
• Blue neuronevus