美国有三个州的行政单位称为弗农县(Vernon)：

• 弗农县 (路易斯安那州)
• 弗农县 (密苏里州)
• 弗农县 (威斯康辛州)

Vernon County may refer to:

Australia

• Vernon County, New South Wales

United States of America

• Vernon County, Missouri
• Vernon County, Wisconsin
• Vernon Parish, Louisiana