John II, Count of Nassau-Beilstein (died 1513) was a son of Count Henry IV and his wife, Eva of Sayn. His father was son of John I which in turn was son of Henry II, Count of Nassau-Beilstein.

John II married, in 1492, with Maria of Solms-Braunfels (1471–1505). They had the following children:

• John III (1490–1561)
• Henry V (d. 1525)
• Hermanna (d. 1584)
• Eva (d. 1575)

In 1499, he succeeded his father as the ruling Count of Nassau-Beilstein.