Antonia da Santa Cruz was a Brazilian supercentenarian whose age was validated by the Gerontology Research Group (GRG) on 4 February 2021. At the time of her death, she was the oldest living validated person in Brazil, as well as the second-oldest validated Brazilian person ever after Francisca Celsa dos Santos. She was also the third-oldest validated living person in the world, after Kane Tanaka and Lucile Randon.