Seagate can refer to:

• Seagate Technology, a high tech manufacturer of computer hard drives
• Seagate, Brooklyn, a community in Brooklyn, New York City, USA
• Friends of Seagate, the nonprofit 501(c)(3) organization founded by Kafi Benz to preserve the remaining forty-five acre estate (originally, sixty-three-acre) and historic winter retreat of Gwendolyn and Powel Crosley in Sarasota, Florida, USA that was listed on the National Register of Historic Places in 1982 following its sale by the Mabel and Freeman Horton family, who had resided on the estate for forty years, also see, Seagate in Florida under Powel Crosley
• Seagate, North Carolina, a community in North Carolina, USA
• Seagate in Florida, a 1925 platted subdivision of sixty-three acres in Sarasota, Florida, USA that became the site of the winter retreat of Gwendolyn and Powel Crosley in 1929 and was listed on the National Register of Historic Places in 1982