|Birth:||16 August 1882|
|Death:||11 November 1992|
|Age:||110 years, 87 days|
Maryetta Mabelle Metcalf nee Cornish (16 August 1882 – 11 November 1992) was a validated American supercentenarian.
Maryetta Metcalf was born as Maryetta Cornish in Lincoln, Lancaster, Nebraska, United States on 16 August 1882. Her parents were Harvey Cornish and Etta Leona Cornish (nee Carter). She married Wilbur Clark Metcalf in 1901 and they had five children. Maryetta Metcalf died in Newport Beach, Orange, California, United States on 11 November 1992 at the age of 110 years, 87 days.