Matilde Estefanía Alcázar Figueroa (born 3 September 1995)[1] is a Mexican Paralympic swimmer who competes in international swimming competitions.

She is a triple Parapan American Games champion and a World champion, she has also competed at the 2012 and 2020 Summer Paralympics.

[2][3] In 2018, Alcázar broke the world record in the women's 100m backstroke S11 which had been held for 34 years.

She broke the record at a World Para Swimming World Series in São Paulo.

[4]