Sagadahoc refers to more than one geographic feature of the U.S.:

• Sagadahoc County, Maine
• Sagadahoc Bridge, Maine
• An archaic name for the Kennebec River in Maine
• Territory of Sagadahock

• Richard Higgins (Roman Catholic Bishop)
• Richard Higham
• Richard Highton
• Richard Highwind
• Richard Hill, 7th Baron Sandys
• Richard Hillary
• Richard Hill (athlete)
• Richard Hill (bishop)
• Richard Hill (Blessed)
• Richard Hillman (poet)
• Richard Hill of Hawkstone
• Richard Hill (Pennsylvania politician)
• Richard Hill (rugby player)
• Richard Hills
• Richard Hilton Marler Thompson
• Richard Hinckley
• Richard Hinckley Allen
• Richard Hind Cambage
• Richard Hinds
• Richard Hines
• Richard Hinton Marler Thompson
• Richard H. Jackson
• Richard H. Jones
• Richard H. Kirk
• Richard H. Kline