Anna-Maria Alexandri (Greek: Άννα-Μαρία Αλεξανδρή; born 15 September 1997) is a Greek-Austrian synchronized swimmer. She competed in the women's duet at the 2016 Summer Olympics, and 2020 Olympics.
She was born in Greece but in 2012 she moved to Austria. She has two more sisters and they are triplets, Eirini-Marina and Vasiliki Alexandri.
Anna Maria was a member of the Greek National Team from 2010. She won gold medals in two Comen Cups on 2010, 2011 (age group 13–15) and she competed at the European Championships (senior category) on 2012 in Eindhoven at the age of 15 years old. In 2012 she moved to Austria, and in 2014 she acquired the Austrian nationality and represents Austria in synchronised swimming since then. She took part in the Junior World Championships in Helsinki in 2014, where she qualified for the finals and placed 7th in Solo and 9th in Duet with her sister. In 2015, she competed at the 1st European Games in Baku, where she won the silver medal in women's duet and the bronze medal in women's solo. With those two medals, Austria was placed 3rd in the medal table. Later that year, Anna Maria competed with her sisters in the senior category at the World Championships, where she qualified to the Finals in the women's technical duet.
In 2016, she competed at the European Championships in London, where she finished in 5th place.