Joseph Foster may refer to:

• Joseph Foster (politician) (born 1959), American politician in New Hampshire
• Joseph Foster (genealogist) (1844–1905), English genealogist
• Joey Foster (born 1982), British racing driver
• Joey Foster Ellis (born 1984), American functional artist and craftsman
• Slaughter Joe (born 1960), British musician, also known as Joe Foster
• Joe B. Foster (1934–2020), American businessman, oilman and philanthropist
• Joseph Foster Barham I (1729–1789), English plantation owner, to 1750 known as Joseph Foster
• Joseph Markell Foster (born 1984), record producer
• Joseph William Foster (born 1935), co-founder of Reebok
• Joseph C. Foster (1804–1877), Scottish-born American stage manager and playwright
• Joseph Andoh Foster, Ghanaian politician
• Joseph Foster (silversmith), American silversmith
• Joe Foster (racing driver), American racing driver in 2010 Rolex Sports Car Series season
• Joseph Foster, a character in Alias Nick Beal

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