Nancy Davis (disambiguation)

Nancy Davis (1921–2016) was an American actress and, as Nancy Reagan, First Lady of the United States.

Nancy Davis may also refer to:

• Nancy D. Griffeth (Nancy Davis Griffeth, born 1945), American computer scientist
• Jan Davis (Nancy Jan Davis, born 1953), American astronaut
• Nancy Davis (businesswoman) (born c. 1977), American investor and businesswoman