Mária Littomeritzky (also known as Littomeritzky-Bognár; May 12, 1927 – December 24, 2017) was a butterfly swimmer from Hungary, who competed in three consecutive Summer Olympics for her native country, starting in 1948.

At the 1952 Summer Olympics she started in the heats of the 4×100 freestyle relay but was replaced for the final.

Her team-mates Ilona Novák, Judit Temes, Éva Novák, Katalin Szőke won the final with a new world record and Littomeritzky also received a gold medal.

At the European Championships she won a silver medal in 1954 in 100 m butterfly.

This biographical article related to a Hungarian swimmer is a stub.