Sarah Smith may refer to:

In people

• Saarah Smith (born 1999), South African cricketer
• Sarah Stone (artist) (1760–1844), later Sarah Smith, English natural history illustrator and painter
• Sarah Bartley (1783–1850), British actress who used the name Smith
• Sarah Jones (née Smith), former saxophonist in Cardiacs
• Sarah Smith, member of British pop duo Same Difference
• Sarah Smith (children's writer) (1832–1911), English children's writer whose nom de plume was Hesba Stretton
• Sarah Smith (news reporter) (born 1968), Scottish radio and television journalist with the BBC
• Sarah Smith (director), director of animated feature films Arthur Christmas and Ron's Gone Wrong
• Sarah Smith (writer) (born 1947), American novelist of historical mysteries
• Sarah Adina Smith, American writer, editor, and director
• Sarah Bixby Smith (1871–1935), American writer
• Sarah Christine Smith, American actress
• Sarah Lanman Smith (1802–1836), American Christian missionary, memoirist, school founder
• Sarah K. Smith, American artist and educator

In fiction

• Sarah Jane Smith, character from the television series Doctor Who and the spin-off series The Sarah Jane Adventures
  • Sarah Jane Smith (audio drama series)