Segovia Formation may refer to:

• Segovia Formation, Texas, Cretaceous geologic formation of Texas
• Segovia Formation, Colombia, Lower Cretaceous geologic formation of Colombia

• The One and Only (Waylon Jennings album)
• The One and Only You
• The One-armed Swordsman
• The One at the Beach
• The One (Backstreet Boys song)
• The One (band)
• The One Before The Last One: 10 Years of Friends
• The One Behind The Wheel (Medium)
• The One Campaign
• The One Club
• The One (comic)
• The One (comic book series)
• The Oneechanbara
• The Oneechanbara series
• The One Eighty
• The One (Elton John song)
• The One Ensemble
• The One Ensemble of Daniel Padden
• The One (EP)
• The One Exception
• The One Feather Tail of Miss Gertrude McFuzz
• The One (Foo)
• The One (foo)
• The One (Frankie J album)
• The One (Ghost Whisperer)