Mosby may refer to:

Places

Antarctica Mosby Glacier

Norway

Mosby, Norway, village and district in Kristiansand municipality in Vest-Agder county Mosby Peak, Bouvet Island

United States Mosby, Missouri, city in Clay County, Missouri Mosby, Montana, unincorporated community in southwestern Garfield County, Montana Mosby Tavern, 1740 historical building in Powhatan County, Virginia, also known as "Littleberry Mosby House" or "Old Cumberland Courthouse" Mosby Court, neighborhood and housing project in Richmond, Virginia Mosby Creek (disambiguation), multiple places Mosby Hill, Oregon

Other Mosby (publisher), American medical publishing firm absorbed by Elsevier; its name survives as an Elsevier imprint name Mosby (name)

See also Moseby, a surname