Seagate may refer to:

• Seagate Technology, a manufacturer of computer hard disks
• Seagate, Brooklyn, a community in Brooklyn, New York City, USA
  • East Coast Seagate Distribution, a (now defunct) comic book distributor named after the Brooklyn community
• Seagate, North Carolina, a community in North Carolina, USA
• One Seagate, the tallest building in Toledo, Ohio
• SeaGate Convention Centre in Toledo, Ohio
• Seagate bus station, in Scotland
• Seagate, a historic estate built in Florida in 1929 by Gwendolyn and Powel Crosley
• Friends of Seagate, a 501(c)(3) nonprofit preservation organization formed in Florida
• Sea gate, a channel or waterway which gives access to the ocean
• A Sea-gate on a ferry

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