Besides Dionysius the Areopagite, which woman in Athens believed after Paul's speech?

Answer: Damaris

Some in Athens joined Paul and believed, including Dionysius the Areopagite, a woman named Damaris, and others.

“But some joined him and believed, including Dionysius the Areopagite, a woman named Damaris, and others who were with them.”— Acts 17:34 (BSB)