Sylvia O'Brien may refer to:

• Sylvia O'Brien (actress) (1924–2006), Dublin-born actress and singer
• Sylvia O'Brien (soprano), Dublin-born soprano

• Lorimer (disambiguation)
• Lorimer Dods
• Lorimer Fenton Dods
• Lorimer Rich
• Lorimer Street (New York City Subway)
• Lorimier
• Lori Milligan
• Lori Millin
• Lori Moore (beauty queen)
• Lorin
• Lorinae
• Lorinand
• Lorin Blodget
• Lorinc
• Lorin, California
• Lorinci
• Lorin Cray House
• Lorincreve
• Lorinc Szabo
• Lorinc Szabo de Gaborjan
• Lorinc Wathay
• Lorinda
• Lorinda Cherry
• Lorinda O'Brynne
• Lorinda Panther