Janetta

Janetta may refer to:


 * Janetta Rebold Benton, American art historian
 * Janetta Douglas, née Smith, MBE, Papua New Guinean charity worker
 * Janetta Gillespie (1876–1956), Scottish artist
 * Janetta Johnson (born 1964), African-American transgender rights activist
 * Janetta McStay CBE (1917–2012), New Zealand concert pianist and music professor
 * Lavinia Janetta Horton de Serres Ryves (1797–1871), British woman claiming to be a member of the British royal family
 * Ruth Janetta Temple (1892–1984), American physician in Los Angeles, California
 * Janetta Vance (1855–1921), British archer