|Birth:||6 February 1907?|
|Age:||113 years, 265 days?|
Mariana Akiss (born 6 February 1907?) is a Guinea-Bissauan supercentenarian claimant.
Mariana Akiss claims to have been born in Catio, Guinea-Bissau on 6 February 1907. She celebrated her claimed 113th birthday on 6 February 2020. If her age is true, she could be oldest known woman ever from Guinea-Bissau.