| Birth Date: | 28 December 1917 |
| Birth Place: | Budapest, Austria-Hungary |
Ágnes Bíró (December 28, 1917 - 2008) was a Hungarian freestyle swimmer who competed in the 1936 Summer Olympics. She was born in Budapest.
In 1936, she was a member of the Hungarian relay team which finished fourth in the 4 x 100 metre freestyle relay event. In the 400 metre freestyle competition she was eliminated in the first round.