Judit Ágoston-Mendelényi (21 January 1937 – 12 May 2013) was a Hungarian fencer. She won a gold medal in the women's team foil event at the 1964 Summer Olympics.
Judit Ágoston-Mendelényi at the Hungarian Olympic Committee (in Hungarian)
Judit Ágoston-Mendelényi at Olympedia
Judit Ágoston-Mendelényi at InterSportStats